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Add way to express no-values with check-cfg

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Urgau 2024-01-13 12:18:51 +01:00
parent 284cb714d2
commit 41b69aae91
10 changed files with 89 additions and 32 deletions
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14
tests/ui/check-cfg/empty-values.rs Normal file
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@ -0,0 +1,14 @@
// Check that we detect unexpected value when none are allowed
//
// check-pass
// compile-flags: --check-cfg=cfg(foo,values()) -Zunstable-options
#[cfg(foo = "foo")]
//~^ WARNING unexpected `cfg` condition value
fn do_foo() {}
#[cfg(foo)]
//~^ WARNING unexpected `cfg` condition value
fn do_foo() {}
fn main() {}