| warning: irrefutable `while let` pattern | |
| --> $DIR/while-let-2.rs:7:19 | |
| | | |
| LL | while let $p = $e $b | |
| | ^^^^^^^^^^^ | |
| ... | |
| LL | / foo!(_a, 1, { | |
| LL | | println!("irrefutable pattern"); | |
| LL | | }); | |
| | |______- in this macro invocation | |
| | | |
| = note: this pattern will always match, so the loop will never exit | |
| = help: consider instead using a `loop { ... }` with a `let` inside it | |
| = note: `#[warn(irrefutable_let_patterns)]` on by default | |
| = note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) | |
| warning: irrefutable `while let` pattern | |
| --> $DIR/while-let-2.rs:7:19 | |
| | | |
| LL | while let $p = $e $b | |
| | ^^^ | |
| ... | |
| LL | / bar!(_a, 1, { | |
| LL | | println!("irrefutable pattern"); | |
| LL | | }); | |
| | |______- in this macro invocation | |
| | | |
| = note: this pattern will always match, so the loop will never exit | |
| = help: consider instead using a `loop { ... }` with a `let` inside it | |
| = note: this warning originates in the macro `foo` which comes from the expansion of the macro `bar` (in Nightly builds, run with -Z macro-backtrace for more info) | |
| warning: irrefutable `while let` pattern | |
| --> $DIR/while-let-2.rs:27:11 | |
| | | |
| LL | while let _a = 1 { | |
| | ^^^^^^^^^^ | |
| | | |
| = note: this pattern will always match, so the loop will never exit | |
| = help: consider instead using a `loop { ... }` with a `let` inside it | |
| warning: 3 warnings emitted | |