diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/dead-code/const-and-self.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/lint/dead-code/const-and-self.rs')
-rw-r--r-- | src/test/ui/lint/dead-code/const-and-self.rs | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/test/ui/lint/dead-code/const-and-self.rs b/src/test/ui/lint/dead-code/const-and-self.rs new file mode 100644 index 000000000..5c96e4d0e --- /dev/null +++ b/src/test/ui/lint/dead-code/const-and-self.rs @@ -0,0 +1,54 @@ +// check-pass + +#![warn(dead_code)] + +const TLC: usize = 4; + +trait Tr { fn doit(&self); } + +impl Tr for [usize; TLC] { + fn doit(&self) { + println!("called 4"); + } +} + +struct X; +struct Y; +struct Z; + +trait Foo<T> { + type Ty; + fn foo() -> Self::Ty; +} + +impl Foo<Y> for X { + type Ty = Z; + fn foo() -> Self::Ty { + unimplemented!() + } +} + +enum E { + A, + B, //~ WARN variants `B` and `C` are never constructed + C, +} + +type F = E; + +impl E { + fn check(&self) -> bool { + match self { + Self::A => true, + Self::B => false, + F::C => false, + } + } +} + +fn main() { + let s = [0,1,2,3]; + s.doit(); + X::foo(); + E::A.check(); +} |