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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-28983.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-28983.rs b/src/test/ui/issues/issue-28983.rs new file mode 100644 index 000000000..3db26a1ee --- /dev/null +++ b/src/test/ui/issues/issue-28983.rs @@ -0,0 +1,22 @@ +// run-pass +pub trait Test { type T; } + +impl Test for u32 { + type T = i32; +} + +pub mod export { + #[no_mangle] + pub extern "C" fn issue_28983(t: <u32 as ::Test>::T) -> i32 { t*3 } +} + +// to test both exporting and importing functions, import +// a function from ourselves. +extern "C" { + fn issue_28983(t: <u32 as Test>::T) -> i32; +} + +fn main() { + assert_eq!(export::issue_28983(2), 6); + assert_eq!(unsafe { issue_28983(3) }, 9); +} |