diff options
Diffstat (limited to 'tests/ui/pattern/slice-array-infer.rs')
| -rw-r--r-- | tests/ui/pattern/slice-array-infer.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/pattern/slice-array-infer.rs b/tests/ui/pattern/slice-array-infer.rs new file mode 100644 index 00000000000..f94a3dcfe0a --- /dev/null +++ b/tests/ui/pattern/slice-array-infer.rs @@ -0,0 +1,27 @@ +// check-pass + +#![allow(unused_variables)] +#![feature(generic_arg_infer)] + +struct Zeroes; +impl Into<&'static [usize; 3]> for Zeroes { + fn into(self) -> &'static [usize; 3] { + &[0; 3] + } +} +impl Into<[usize; 3]> for Zeroes { + fn into(self) -> [usize; 3] { + [0; 3] + } +} +fn main() { + let [a, b, c] = Zeroes.into(); + let [d, e, f] = <Zeroes as Into<&'static [usize; 3]>>::into(Zeroes); + let &[g, h, i] = Zeroes.into(); + let [j, k, l]: [usize; _] = Zeroes.into(); + let [m, n, o]: &[usize; _] = Zeroes.into(); + + // check the binding mode of these patterns: + let _: &[usize] = &[a, b, c, g, h, i, j, k, l]; + let _: &[&usize] = &[d, e, f, m, n, o]; +} |
