1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
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
|
