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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/conditional-compilation/cfg-generic-params.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/conditional-compilation/cfg-generic-params.rs')
-rw-r--r-- | src/test/ui/conditional-compilation/cfg-generic-params.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/conditional-compilation/cfg-generic-params.rs b/src/test/ui/conditional-compilation/cfg-generic-params.rs new file mode 100644 index 000000000..53aa35563 --- /dev/null +++ b/src/test/ui/conditional-compilation/cfg-generic-params.rs @@ -0,0 +1,40 @@ +// compile-flags:--cfg yes + +fn f_lt<#[cfg(yes)] 'a: 'a, #[cfg(no)] T>() {} +fn f_ty<#[cfg(no)] 'a: 'a, #[cfg(yes)] T>() {} + +type FnGood = for<#[cfg(yes)] 'a, #[cfg(no)] T> fn(); // OK +type FnBad = for<#[cfg(no)] 'a, #[cfg(yes)] T> fn(); +//~^ ERROR only lifetime parameters can be used in this context + +type PolyGood = dyn for<#[cfg(yes)] 'a, #[cfg(no)] T> Copy; // OK +type PolyBad = dyn for<#[cfg(no)] 'a, #[cfg(yes)] T> Copy; +//~^ ERROR only lifetime parameters can be used in this context + +struct WhereGood where for<#[cfg(yes)] 'a, #[cfg(no)] T> u8: Copy; // OK +struct WhereBad where for<#[cfg(no)] 'a, #[cfg(yes)] T> u8: Copy; +//~^ ERROR only lifetime parameters can be used in this context + +fn f_lt_no<#[cfg_attr(no, unknown)] 'a>() {} // OK +fn f_lt_yes<#[cfg_attr(yes, unknown)] 'a>() {} +//~^ ERROR cannot find attribute `unknown` in this scope +fn f_ty_no<#[cfg_attr(no, unknown)] T>() {} // OK +fn f_ty_yes<#[cfg_attr(yes, unknown)] T>() {} +//~^ ERROR cannot find attribute `unknown` in this scope + +type FnNo = for<#[cfg_attr(no, unknown)] 'a> fn(); // OK +type FnYes = for<#[cfg_attr(yes, unknown)] 'a> fn(); +//~^ ERROR cannot find attribute `unknown` in this scope + +type PolyNo = dyn for<#[cfg_attr(no, unknown)] 'a> Copy; // OK +type PolyYes = dyn for<#[cfg_attr(yes, unknown)] 'a> Copy; +//~^ ERROR cannot find attribute `unknown` in this scope + +struct WhereNo where for<#[cfg_attr(no, unknown)] 'a> u8: Copy; // OK +struct WhereYes where for<#[cfg_attr(yes, unknown)] 'a> u8: Copy; +//~^ ERROR cannot find attribute `unknown` in this scope + +fn main() { + f_lt::<'static>(); + f_ty::<u8>(); +} |