rust-lang/rustfmt
rustfmt eats attributes while formatting functions with variadic parameters
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#6 561 ouverte le 11 mai 2025
C-buggood first issue
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Description
If you format...
#[allow()]
unsafe extern "C" {
#[allow()]
pub fn foo(#[allow()] arg: *mut u8, #[allow()]...);
}
Then it will format into
#[allow()]
unsafe extern "C" {
#[allow()]
pub fn foo(#[allow()] arg: *mut u8, ...);
}
(The choice of attribute seems irrelevant, I've used allow because it compiles in any position).
Note that this position is explicitly documented at https://doc.rust-lang.org/nightly/reference/attributes.html#r-attributes.allowed-position