When there are multiple macros in use, it can be difficult to tell which one was responsible for producing an error.
45 lines
1.5 KiB
Text
45 lines
1.5 KiB
Text
warning: irrefutable `while let` pattern
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--> $DIR/while-let.rs:7:13
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LL | while let $p = $e $b
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| ^^^^^^^^^^^^^^^^^^^^
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...
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LL | / foo!(_a, 1, {
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LL | | println!("irrefutable pattern");
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LL | | });
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| |_______- in this macro invocation
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= note: `#[warn(irrefutable_let_patterns)]` on by default
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= note: this pattern will always match, so the loop will never exit
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= help: consider instead using a `loop { ... }` with a `let` inside it
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= note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
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warning: irrefutable `while let` pattern
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--> $DIR/while-let.rs:7:13
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LL | while let $p = $e $b
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| ^^^^^^^^^^^^^^^^^^^^
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...
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LL | / bar!(_a, 1, {
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LL | | println!("irrefutable pattern");
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LL | | });
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| |_______- in this macro invocation
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= note: this pattern will always match, so the loop will never exit
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= help: consider instead using a `loop { ... }` with a `let` inside it
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= note: this warning originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
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warning: irrefutable `while let` pattern
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--> $DIR/while-let.rs:27:5
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LL | / while let _a = 1 {
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LL | | println!("irrefutable pattern");
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LL | | break;
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LL | | }
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| |_____^
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= note: this pattern will always match, so the loop will never exit
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= help: consider instead using a `loop { ... }` with a `let` inside it
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warning: 3 warnings emitted
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