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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-2288.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-2288.rs b/src/test/ui/issues/issue-2288.rs new file mode 100644 index 000000000..c74e53fca --- /dev/null +++ b/src/test/ui/issues/issue-2288.rs @@ -0,0 +1,35 @@ +// run-pass +#![allow(non_camel_case_types)] + +#![feature(box_syntax)] + +trait clam<A> { + fn chowder(&self, y: A); +} + +#[derive(Copy, Clone)] +struct foo<A> { + x: A, +} + +impl<A> clam<A> for foo<A> { + fn chowder(&self, _y: A) { + } +} + +fn foo<A>(b: A) -> foo<A> { + foo { + x: b + } +} + +fn f<A>(x: Box<dyn clam<A>>, a: A) { + x.chowder(a); +} + +pub fn main() { + + let c = foo(42); + let d: Box<dyn clam<isize>> = box c as Box<dyn clam<isize>>; + f(d, c.x); +} |