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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/underscore-imports/basic.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/underscore-imports/basic.rs')
-rw-r--r-- | src/test/ui/underscore-imports/basic.rs | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/test/ui/underscore-imports/basic.rs b/src/test/ui/underscore-imports/basic.rs new file mode 100644 index 000000000..c021ad5ee --- /dev/null +++ b/src/test/ui/underscore-imports/basic.rs @@ -0,0 +1,62 @@ +// check-pass +// aux-build:underscore-imports.rs + +#![warn(unused_imports, unused_extern_crates)] + +#[macro_use] +extern crate underscore_imports as _; + +do_nothing!(); // OK + +struct S; + +mod m { + pub trait Tr1 { + fn tr1_is_in_scope(&self) {} + } + pub trait Tr2 { + fn tr2_is_in_scope(&self) {} + } + + impl Tr1 for ::S {} + impl Tr2 for ::S {} +} + +mod unused { + use m::Tr1 as _; //~ WARN unused import + use S as _; //~ WARN unused import + extern crate core as _; // OK +} + +mod outer { + mod middle { + pub use m::Tr1 as _; + pub use m::Tr2 as _; // OK, no name conflict + struct Tr1; // OK, no name conflict + fn check() { + // Both traits are in scope + ::S.tr1_is_in_scope(); + ::S.tr2_is_in_scope(); + } + + mod inner { + // `_` imports are fetched by glob imports + use super::*; + fn check() { + // Both traits are in scope + ::S.tr1_is_in_scope(); + ::S.tr2_is_in_scope(); + } + } + } + + // `_` imports are fetched by glob imports + use self::middle::*; + fn check() { + // Both traits are in scope + ::S.tr1_is_in_scope(); + ::S.tr2_is_in_scope(); + } +} + +fn main() {} |