diff options
Diffstat (limited to 'src/test/ui/lint/unused/must_use-array.rs')
-rw-r--r-- | src/test/ui/lint/unused/must_use-array.rs | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/src/test/ui/lint/unused/must_use-array.rs b/src/test/ui/lint/unused/must_use-array.rs deleted file mode 100644 index b7bae4b0a..000000000 --- a/src/test/ui/lint/unused/must_use-array.rs +++ /dev/null @@ -1,54 +0,0 @@ -#![deny(unused_must_use)] - -#[must_use] -#[derive(Clone, Copy)] -struct S; - -struct A; - -#[must_use] -trait T {} - -impl T for A {} - -fn empty() -> [S; 0] { - [] -} - -fn singleton() -> [S; 1] { - [S] -} - -fn many() -> [S; 4] { - [S, S, S, S] -} - -fn array_of_impl_trait() -> [impl T; 2] { - [A, A] -} - -fn impl_array() -> [(u8, Box<dyn T>); 2] { - [(0, Box::new(A)), (0, Box::new(A))] -} - -fn array_of_arrays_of_arrays() -> [[[S; 1]; 2]; 1] { - [[[S], [S]]] -} - -fn usize_max() -> [S; usize::MAX] { - [S; usize::MAX] -} - -fn main() { - empty(); // ok - singleton(); //~ ERROR unused array of `S` that must be used - many(); //~ ERROR unused array of `S` that must be used - ([S], 0, ()); //~ ERROR unused array of `S` in tuple element 0 that must be used - array_of_impl_trait(); //~ ERROR unused array of implementers of `T` that must be used - impl_array(); - //~^ ERROR unused array of boxed `T` trait objects in tuple element 1 that must be used - array_of_arrays_of_arrays(); - //~^ ERROR unused array of arrays of arrays of `S` that must be used - usize_max(); - //~^ ERROR unused array of `S` that must be used -} |