error[E0317]: `if` may be missing an `else` clause --> $DIR/if-without-else-as-fn-expr.rs:2:5 | LL | fn foo(bar: usize) -> usize { | ----- expected `usize` because of this return type LL | / if bar % 5 == 0 { LL | | return 3; LL | | } | |_____^ expected `usize`, found `()` | = note: `if` expressions without `else` evaluate to `()` = help: consider adding an `else` block that evaluates to the expected type error[E0317]: `if` may be missing an `else` clause --> $DIR/if-without-else-as-fn-expr.rs:9:20 | LL | let x: usize = if bar % 5 == 0 { | _________-__________^ | | | | | expected because of this assignment LL | | return 3; LL | | }; | |_____^ expected `usize`, found `()` | = note: `if` expressions without `else` evaluate to `()` = help: consider adding an `else` block that evaluates to the expected type error[E0317]: `if` may be missing an `else` clause --> $DIR/if-without-else-as-fn-expr.rs:17:5 | LL | fn foo3(bar: usize) -> usize { | ----- expected `usize` because of this return type LL | / if bar % 5 == 0 { LL | | 3 LL | | } | |_____^ expected `usize`, found `()` | = note: `if` expressions without `else` evaluate to `()` = help: consider adding an `else` block that evaluates to the expected type error[E0317]: `if` may be missing an `else` clause --> $DIR/if-without-else-as-fn-expr.rs:24:5 | LL | fn foo_let(bar: usize) -> usize { | ----- expected `usize` because of this return type LL | / if let 0 = 1 { LL | | return 3; LL | | } | |_____^ expected `usize`, found `()` | = note: `if` expressions without `else` evaluate to `()` = help: consider adding an `else` block that evaluates to the expected type error[E0317]: `if` may be missing an `else` clause --> $DIR/if-without-else-as-fn-expr.rs:31:20 | LL | let x: usize = if let 0 = 1 { | _________-__________^ | | | | | expected because of this assignment LL | | return 3; LL | | }; | |_____^ expected `usize`, found `()` | = note: `if` expressions without `else` evaluate to `()` = help: consider adding an `else` block that evaluates to the expected type error[E0317]: `if` may be missing an `else` clause --> $DIR/if-without-else-as-fn-expr.rs:39:5 | LL | fn foo3_let(bar: usize) -> usize { | ----- expected `usize` because of this return type LL | / if let 0 = 1 { LL | | 3 LL | | } | |_____^ expected `usize`, found `()` | = note: `if` expressions without `else` evaluate to `()` = help: consider adding an `else` block that evaluates to the expected type error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0317`.