diff options
Diffstat (limited to 'tests/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr')
-rw-r--r-- | tests/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/tests/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr b/tests/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr new file mode 100644 index 000000000..be4a52315 --- /dev/null +++ b/tests/ui/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr @@ -0,0 +1,115 @@ +error: leading irrefutable pattern in let chain + --> $DIR/irrefutable-lets.rs:13:8 + | +LL | if let first = &opt && let Some(ref second) = first && let None = second.start {} + | ^^^^^^^^^^^^^^^^ + | + = note: this pattern will always match + = help: consider moving it outside of the construct +note: the lint level is defined here + --> $DIR/irrefutable-lets.rs:6:30 + | +LL | #![cfg_attr(disallowed, deny(irrefutable_let_patterns))] + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: irrefutable `if let` patterns + --> $DIR/irrefutable-lets.rs:19:8 + | +LL | if let first = &opt && let (a, b) = (1, 2) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: these patterns will always match, so the `if let` is useless + = help: consider replacing the `if let` with a `let` + +error: leading irrefutable pattern in let chain + --> $DIR/irrefutable-lets.rs:22:8 + | +LL | if let first = &opt && let Some(ref second) = first && let None = second.start && let v = 0 {} + | ^^^^^^^^^^^^^^^^ + | + = note: this pattern will always match + = help: consider moving it outside of the construct + +error: trailing irrefutable pattern in let chain + --> $DIR/irrefutable-lets.rs:22:87 + | +LL | if let first = &opt && let Some(ref second) = first && let None = second.start && let v = 0 {} + | ^^^^^^^^^ + | + = note: this pattern will always match + = help: consider moving it into the body + +error: trailing irrefutable patterns in let chain + --> $DIR/irrefutable-lets.rs:26:37 + | +LL | if let Some(ref first) = opt && let second = first && let _third = second {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: these patterns will always match + = help: consider moving them into the body + +error: leading irrefutable pattern in let chain + --> $DIR/irrefutable-lets.rs:29:8 + | +LL | if let Range { start: local_start, end: _ } = (None..Some(1)) && let None = local_start {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this pattern will always match + = help: consider moving it outside of the construct + +error: leading irrefutable pattern in let chain + --> $DIR/irrefutable-lets.rs:32:8 + | +LL | if let (a, b, c) = (Some(1), Some(1), Some(1)) && let None = Some(1) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this pattern will always match + = help: consider moving it outside of the construct + +error: leading irrefutable pattern in let chain + --> $DIR/irrefutable-lets.rs:35:8 + | +LL | if let first = &opt && let None = Some(1) {} + | ^^^^^^^^^^^^^^^^ + | + = note: this pattern will always match + = help: consider moving it outside of the construct + +error: irrefutable `if let` guard patterns + --> $DIR/irrefutable-lets.rs:44:28 + | +LL | Some(ref first) if let second = first && let _third = second && let v = 4 + 4 => {}, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: these patterns will always match, so the guard is useless + = help: consider removing the guard and adding a `let` inside the match arm + +error: trailing irrefutable patterns in let chain + --> $DIR/irrefutable-lets.rs:59:16 + | +LL | && let v = local_end && let w = v => {}, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: these patterns will always match + = help: consider moving them into the body + +error: irrefutable `while let` patterns + --> $DIR/irrefutable-lets.rs:68:11 + | +LL | while let first = &opt && let (a, b) = (1, 2) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: these patterns will always match, so the loop will never exit + = help: consider instead using a `loop { ... }` with a `let` inside it + +error: trailing irrefutable patterns in let chain + --> $DIR/irrefutable-lets.rs:71:40 + | +LL | while let Some(ref first) = opt && let second = first && let _third = second {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: these patterns will always match + = help: consider moving them into the body + +error: aborting due to 12 previous errors + |