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Recognize infinite recursion caused by {self}

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David Tolnay 2024-11-04 22:18:46 -05:00
parent e1fa5190b4
commit 6a0eb08569
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4 changed files with 68 additions and 18 deletions
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21
tests/ui/unconditional-recursion.stderr Normal file
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@ -0,0 +1,21 @@
error: expected expression, found `@`
--> tests/ui/unconditional-recursion.rs:8:5
|
8 | @//fail
| ^ expected expression
warning: function cannot return without recursing
--> tests/ui/unconditional-recursion.rs:4:9
|
4 | #[error("{self}")]
| ^^^^^^^^
| |
| cannot return without recursing
| recursive call site
|
= help: a `loop` may express intention better if this is on purpose
note: the lint level is defined here
--> tests/ui/unconditional-recursion.rs:4:9
|
4 | #[error("{self}")]
| ^^^^^^^^