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Diffstat (limited to 'src/test/ui/tuple/builtin.rs')
-rw-r--r-- | src/test/ui/tuple/builtin.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/tuple/builtin.rs b/src/test/ui/tuple/builtin.rs new file mode 100644 index 000000000..d87ce5263 --- /dev/null +++ b/src/test/ui/tuple/builtin.rs @@ -0,0 +1,20 @@ +// check-pass + +#![feature(tuple_trait)] + +fn assert_is_tuple<T: std::marker::Tuple + ?Sized>() {} + +struct Unsized([u8]); + +fn from_param_env<T: std::marker::Tuple + ?Sized>() { + assert_is_tuple::<T>(); +} + +fn main() { + assert_is_tuple::<()>(); + assert_is_tuple::<(i32,)>(); + assert_is_tuple::<(Unsized,)>(); + from_param_env::<()>(); + from_param_env::<(i32,)>(); + from_param_env::<(Unsized,)>(); +} |