error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:29:9 | LL | if (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:33:11 | LL | if (((let 0 = 1))) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:37:9 | LL | if (let 0 = 1) && true {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:41:17 | LL | if true && (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:45:9 | LL | if (let 0 = 1) && (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:45:24 | LL | if (let 0 = 1) && (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:51:35 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:51:48 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:51:61 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:61:12 | LL | while (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:65:14 | LL | while (((let 0 = 1))) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:69:12 | LL | while (let 0 = 1) && true {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:73:20 | LL | while true && (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:77:12 | LL | while (let 0 = 1) && (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:77:27 | LL | while (let 0 = 1) && (let 0 = 1) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:83:38 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:83:51 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:83:64 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:110:9 | LL | if &let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:115:9 | LL | if !let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:118:9 | LL | if *let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:122:9 | LL | if -let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:132:9 | LL | if (let 0 = 0)? {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:138:16 | LL | if true || let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:141:17 | LL | if (true || let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:144:25 | LL | if true && (true || let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:147:25 | LL | if true || (true && let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:152:12 | LL | if x = let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:157:15 | LL | if true..(let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:161:11 | LL | if ..(let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:165:9 | LL | if (let 0 = 0).. {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:196:19 | LL | if let true = let true = true {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:202:12 | LL | while &let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:207:12 | LL | while !let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:210:12 | LL | while *let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:214:12 | LL | while -let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:224:12 | LL | while (let 0 = 0)? {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:230:19 | LL | while true || let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:233:20 | LL | while (true || let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:236:28 | LL | while true && (true || let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:239:28 | LL | while true || (true && let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:244:15 | LL | while x = let 0 = 0 {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:249:18 | LL | while true..(let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:253:14 | LL | while ..(let 0 = 0) {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:257:12 | LL | while (let 0 = 0).. {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:288:22 | LL | while let true = let true = true {} | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:304:6 | LL | &let 0 = 0; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:308:6 | LL | !let 0 = 0; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:311:6 | LL | *let 0 = 0; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:315:6 | LL | -let 0 = 0; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:325:6 | LL | (let 0 = 0)?; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:331:13 | LL | true || let 0 = 0; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:334:14 | LL | (true || let 0 = 0); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:337:22 | LL | true && (true || let 0 = 0); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:342:9 | LL | x = let 0 = 0; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:346:12 | LL | true..(let 0 = 0); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:349:8 | LL | ..(let 0 = 0); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:352:6 | LL | (let 0 = 0)..; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:356:6 | LL | (let Range { start: _, end: _ } = true..true || false); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:361:6 | LL | (let true = let true = true); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:361:17 | LL | (let true = let true = true); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:368:25 | LL | let x = true && let y = 1; | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:374:19 | LL | [1, 2, 3][let _ = ()] | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:379:6 | LL | &let 0 = 0 | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:391:17 | LL | true && let 1 = 1 | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:397:17 | LL | true && let 1 = 1 | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:403:17 | LL | true && let 1 = 1 | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:415:17 | LL | true && let 1 = 1 | ^^^ error: expressions must be enclosed in braces to be used as const generic arguments --> $DIR/disallowed-positions.rs:415:9 | LL | true && let 1 = 1 | ^^^^^^^^^^^^^^^^^ | help: enclose the `const` expression in braces | LL | { true && let 1 = 1 } | + + error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:425:9 | LL | if (let Some(a) = opt && true) { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:430:9 | LL | if (let Some(a) = opt) && true { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:434:9 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:434:32 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:443:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:443:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:449:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:449:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:455:9 | LL | if (let Some(a) = opt && (true)) && true { | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:472:22 | LL | let x = (true && let y = 1); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:477:20 | LL | ([1, 2, 3][let _ = ()]) | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:99:16 | LL | use_expr!((let 0 = 1 && 0 == 0)); | ^^^ error: expected expression, found `let` statement --> $DIR/disallowed-positions.rs:103:16 | LL | use_expr!((let 0 = 1)); | ^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:29:9 | LL | if (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:29:9 | LL | if (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:33:11 | LL | if (((let 0 = 1))) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:33:11 | LL | if (((let 0 = 1))) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:37:9 | LL | if (let 0 = 1) && true {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:37:9 | LL | if (let 0 = 1) && true {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:41:17 | LL | if true && (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:41:17 | LL | if true && (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:45:9 | LL | if (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:45:9 | LL | if (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:45:24 | LL | if (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:45:24 | LL | if (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:51:35 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:51:35 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:51:48 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:51:35 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:51:61 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:51:35 | LL | if let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:61:12 | LL | while (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:61:12 | LL | while (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:65:14 | LL | while (((let 0 = 1))) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:65:14 | LL | while (((let 0 = 1))) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:69:12 | LL | while (let 0 = 1) && true {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:69:12 | LL | while (let 0 = 1) && true {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:73:20 | LL | while true && (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:73:20 | LL | while true && (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:77:12 | LL | while (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:77:12 | LL | while (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:77:27 | LL | while (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:77:27 | LL | while (let 0 = 1) && (let 0 = 1) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:83:38 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:83:38 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:83:51 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:83:38 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:83:64 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:83:38 | LL | while let 0 = 1 && let 1 = 2 && (let 2 = 3 && let 3 = 4 && let 4 = 5) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:99:16 | LL | use_expr!((let 0 = 1 && 0 == 0)); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:99:16 | LL | use_expr!((let 0 = 1 && 0 == 0)); | ^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:99:16 | LL | use_expr!((let 0 = 1 && 0 == 0)); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:99:16 | LL | use_expr!((let 0 = 1 && 0 == 0)); | ^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:103:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:103:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:103:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:103:16 | LL | use_expr!((let 0 = 1)); | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:110:9 | LL | if &let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:115:9 | LL | if !let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:118:9 | LL | if *let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:122:9 | LL | if -let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:132:9 | LL | if (let 0 = 0)? {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:132:9 | LL | if (let 0 = 0)? {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:138:16 | LL | if true || let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:138:13 | LL | if true || let 0 = 0 {} | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:141:17 | LL | if (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:141:14 | LL | if (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:144:25 | LL | if true && (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:144:22 | LL | if true && (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:147:25 | LL | if true || (true && let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:147:17 | LL | if true || (true && let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:152:12 | LL | if x = let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:157:15 | LL | if true..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:157:15 | LL | if true..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:161:11 | LL | if ..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:161:11 | LL | if ..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:165:9 | LL | if (let 0 = 0).. {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:165:9 | LL | if (let 0 = 0).. {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:171:8 | LL | if let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:175:8 | LL | if let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:182:8 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:190:8 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:196:19 | LL | if let true = let true = true {} | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:202:12 | LL | while &let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:207:12 | LL | while !let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:210:12 | LL | while *let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:214:12 | LL | while -let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:224:12 | LL | while (let 0 = 0)? {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:224:12 | LL | while (let 0 = 0)? {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:230:19 | LL | while true || let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:230:16 | LL | while true || let 0 = 0 {} | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:233:20 | LL | while (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:233:17 | LL | while (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:236:28 | LL | while true && (true || let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:236:25 | LL | while true && (true || let 0 = 0) {} | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:239:28 | LL | while true || (true && let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:239:20 | LL | while true || (true && let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:244:15 | LL | while x = let 0 = 0 {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:249:18 | LL | while true..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:249:18 | LL | while true..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:253:14 | LL | while ..(let 0 = 0) {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:253:14 | LL | while ..(let 0 = 0) {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:257:12 | LL | while (let 0 = 0).. {} | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:257:12 | LL | while (let 0 = 0).. {} | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:263:11 | LL | while let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:267:11 | LL | while let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:274:11 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:282:11 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:288:22 | LL | while let true = let true = true {} | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:304:6 | LL | &let 0 = 0; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:308:6 | LL | !let 0 = 0; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:311:6 | LL | *let 0 = 0; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:315:6 | LL | -let 0 = 0; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:325:6 | LL | (let 0 = 0)?; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:325:6 | LL | (let 0 = 0)?; | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:331:13 | LL | true || let 0 = 0; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:331:10 | LL | true || let 0 = 0; | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:334:14 | LL | (true || let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:334:11 | LL | (true || let 0 = 0); | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:337:22 | LL | true && (true || let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `||` operators are not supported in let chain expressions --> $DIR/disallowed-positions.rs:337:19 | LL | true && (true || let 0 = 0); | ^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:342:9 | LL | x = let 0 = 0; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:346:12 | LL | true..(let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:346:12 | LL | true..(let 0 = 0); | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:349:8 | LL | ..(let 0 = 0); | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:349:8 | LL | ..(let 0 = 0); | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:352:6 | LL | (let 0 = 0)..; | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:352:6 | LL | (let 0 = 0)..; | ^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:356:6 | LL | (let Range { start: _, end: _ } = true..true || false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:361:6 | LL | (let true = let true = true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:361:6 | LL | (let true = let true = true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:379:6 | LL | &let 0 = 0 | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:391:17 | LL | true && let 1 = 1 | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:397:17 | LL | true && let 1 = 1 | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:403:17 | LL | true && let 1 = 1 | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:415:17 | LL | true && let 1 = 1 | ^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:425:9 | LL | if (let Some(a) = opt && true) { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:425:9 | LL | if (let Some(a) = opt && true) { | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:430:9 | LL | if (let Some(a) = opt) && true { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:430:9 | LL | if (let Some(a) = opt) && true { | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:434:9 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:434:9 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:434:32 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:434:32 | LL | if (let Some(a) = opt) && (let Some(b) = a) { | ^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:443:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:443:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:443:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:443:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && b == 1 { | ^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:449:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:449:9 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:449:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:449:31 | LL | if (let Some(a) = opt && (let Some(b) = a)) && true { | ^^^^^^^^^^^^^^^ error: `let` expressions are not supported here --> $DIR/disallowed-positions.rs:455:9 | LL | if (let Some(a) = opt && (true)) && true { | ^^^^^^^^^^^^^^^^^ | = note: only supported directly in conditions of `if` and `while` expressions note: `let`s wrapped in parentheses are not supported in a context with let chains --> $DIR/disallowed-positions.rs:455:9 | LL | if (let Some(a) = opt && (true)) && true { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:110:8 | LL | if &let 0 = 0 {} | ^^^^^^^^^^ expected `bool`, found `&bool` | help: consider removing the borrow | LL - if &let 0 = 0 {} LL + if let 0 = 0 {} | error[E0614]: type `bool` cannot be dereferenced --> $DIR/disallowed-positions.rs:118:8 | LL | if *let 0 = 0 {} | ^^^^^^^^^^ error[E0600]: cannot apply unary operator `-` to type `bool` --> $DIR/disallowed-positions.rs:122:8 | LL | if -let 0 = 0 {} | ^^^^^^^^^^ cannot apply unary operator `-` error[E0277]: the `?` operator can only be applied to values that implement `Try` --> $DIR/disallowed-positions.rs:132:8 | LL | if (let 0 = 0)? {} | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` | = help: the trait `Try` is not implemented for `bool` error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) --> $DIR/disallowed-positions.rs:132:19 | LL | fn nested_within_if_expr() { | -------------------------- this function should return `Result` or `Option` to accept `?` ... LL | if (let 0 = 0)? {} | ^ cannot use the `?` operator in a function that returns `()` | = help: the trait `FromResidual<_>` is not implemented for `()` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:152:8 | LL | if x = let 0 = 0 {} | ^^^^^^^^^^^^^ expected `bool`, found `()` | help: you might have meant to compare for equality | LL | if x == let 0 = 0 {} | + error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:157:8 | LL | if true..(let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:161:8 | LL | if ..(let 0 = 0) {} | ^^^^^^^^^^^^^ expected `bool`, found `RangeTo` | = note: expected type `bool` found struct `RangeTo` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:165:8 | LL | if (let 0 = 0).. {} | ^^^^^^^^^^^^^ expected `bool`, found `RangeFrom` | = note: expected type `bool` found struct `RangeFrom` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:171:12 | LL | if let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` | | | expected `bool`, found `Range<_>` | = note: expected type `bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:171:8 | LL | if let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:175:12 | LL | if let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` | | | expected `bool`, found `Range<_>` | = note: expected type `bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:175:8 | LL | if let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:182:12 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool` | | | expected fn pointer, found `Range<_>` | = note: expected fn pointer `fn() -> bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:182:41 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^ expected `bool`, found closure | = note: expected type `bool` found closure `[closure@$DIR/disallowed-positions.rs:182:41: 182:43]` help: use parentheses to call this closure | LL | if let Range { start: F, end } = F..(|| true)() {} | + +++ error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:182:8 | LL | if let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:190:12 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool` | | | expected `bool`, found `Range<_>` | = note: expected type `bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:190:44 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^ expected `bool`, found `&&bool` | help: consider removing the `&&` | LL - if let Range { start: true, end } = t..&&false {} LL + if let Range { start: true, end } = t..false {} | error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:190:8 | LL | if let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0277]: the `?` operator can only be applied to values that implement `Try` --> $DIR/disallowed-positions.rs:128:20 | LL | if let 0 = 0? {} | ^^ the `?` operator cannot be applied to type `{integer}` | = help: the trait `Try` is not implemented for `{integer}` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:202:11 | LL | while &let 0 = 0 {} | ^^^^^^^^^^ expected `bool`, found `&bool` | help: consider removing the borrow | LL - while &let 0 = 0 {} LL + while let 0 = 0 {} | error[E0614]: type `bool` cannot be dereferenced --> $DIR/disallowed-positions.rs:210:11 | LL | while *let 0 = 0 {} | ^^^^^^^^^^ error[E0600]: cannot apply unary operator `-` to type `bool` --> $DIR/disallowed-positions.rs:214:11 | LL | while -let 0 = 0 {} | ^^^^^^^^^^ cannot apply unary operator `-` error[E0277]: the `?` operator can only be applied to values that implement `Try` --> $DIR/disallowed-positions.rs:224:11 | LL | while (let 0 = 0)? {} | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` | = help: the trait `Try` is not implemented for `bool` error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) --> $DIR/disallowed-positions.rs:224:22 | LL | fn nested_within_while_expr() { | ----------------------------- this function should return `Result` or `Option` to accept `?` ... LL | while (let 0 = 0)? {} | ^ cannot use the `?` operator in a function that returns `()` | = help: the trait `FromResidual<_>` is not implemented for `()` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:244:11 | LL | while x = let 0 = 0 {} | ^^^^^^^^^^^^^ expected `bool`, found `()` | help: you might have meant to compare for equality | LL | while x == let 0 = 0 {} | + error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:249:11 | LL | while true..(let 0 = 0) {} | ^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:253:11 | LL | while ..(let 0 = 0) {} | ^^^^^^^^^^^^^ expected `bool`, found `RangeTo` | = note: expected type `bool` found struct `RangeTo` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:257:11 | LL | while (let 0 = 0).. {} | ^^^^^^^^^^^^^ expected `bool`, found `RangeFrom` | = note: expected type `bool` found struct `RangeFrom` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:263:15 | LL | while let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` | | | expected `bool`, found `Range<_>` | = note: expected type `bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:263:11 | LL | while let Range { start: _, end: _ } = true..true && false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:267:15 | LL | while let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` | | | expected `bool`, found `Range<_>` | = note: expected type `bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:267:11 | LL | while let Range { start: _, end: _ } = true..true || false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:274:15 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `fn() -> bool` | | | expected fn pointer, found `Range<_>` | = note: expected fn pointer `fn() -> bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:274:44 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^ expected `bool`, found closure | = note: expected type `bool` found closure `[closure@$DIR/disallowed-positions.rs:274:44: 274:46]` help: use parentheses to call this closure | LL | while let Range { start: F, end } = F..(|| true)() {} | + +++ error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:274:11 | LL | while let Range { start: F, end } = F..|| true {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:282:15 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `&&bool` | | | expected `bool`, found `Range<_>` | = note: expected type `bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:282:47 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^ expected `bool`, found `&&bool` | help: consider removing the `&&` | LL - while let Range { start: true, end } = t..&&false {} LL + while let Range { start: true, end } = t..false {} | error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:282:11 | LL | while let Range { start: true, end } = t..&&false {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Range` | = note: expected type `bool` found struct `std::ops::Range` error[E0277]: the `?` operator can only be applied to values that implement `Try` --> $DIR/disallowed-positions.rs:220:23 | LL | while let 0 = 0? {} | ^^ the `?` operator cannot be applied to type `{integer}` | = help: the trait `Try` is not implemented for `{integer}` error[E0614]: type `bool` cannot be dereferenced --> $DIR/disallowed-positions.rs:311:5 | LL | *let 0 = 0; | ^^^^^^^^^^ error[E0600]: cannot apply unary operator `-` to type `bool` --> $DIR/disallowed-positions.rs:315:5 | LL | -let 0 = 0; | ^^^^^^^^^^ cannot apply unary operator `-` error[E0277]: the `?` operator can only be applied to values that implement `Try` --> $DIR/disallowed-positions.rs:325:5 | LL | (let 0 = 0)?; | ^^^^^^^^^^^^ the `?` operator cannot be applied to type `bool` | = help: the trait `Try` is not implemented for `bool` error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) --> $DIR/disallowed-positions.rs:325:16 | LL | fn outside_if_and_while_expr() { | ------------------------------ this function should return `Result` or `Option` to accept `?` ... LL | (let 0 = 0)?; | ^ cannot use the `?` operator in a function that returns `()` | = help: the trait `FromResidual<_>` is not implemented for `()` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:356:10 | LL | (let Range { start: _, end: _ } = true..true || false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ ---- this expression has type `bool` | | | expected `bool`, found `Range<_>` | = note: expected type `bool` found struct `std::ops::Range<_>` error[E0308]: mismatched types --> $DIR/disallowed-positions.rs:379:5 | LL | fn outside_if_and_while_expr() { | - help: try adding a return type: `-> &bool` ... LL | &let 0 = 0 | ^^^^^^^^^^ expected `()`, found `&bool` error[E0277]: the `?` operator can only be applied to values that implement `Try` --> $DIR/disallowed-positions.rs:321:17 | LL | let 0 = 0?; | ^^ the `?` operator cannot be applied to type `{integer}` | = help: the trait `Try` is not implemented for `{integer}` error: aborting due to 215 previous errors Some errors have detailed explanations: E0277, E0308, E0600, E0614. For more information about an error, try `rustc --explain E0277`.