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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/issues/issue-45510.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-45510.rs')
-rw-r--r-- | tests/ui/issues/issue-45510.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-45510.rs b/tests/ui/issues/issue-45510.rs new file mode 100644 index 000000000..9e104ce6c --- /dev/null +++ b/tests/ui/issues/issue-45510.rs @@ -0,0 +1,32 @@ +// Test overloaded resolution of fn_traits. +// run-pass + +#![feature(fn_traits)] +#![feature(unboxed_closures)] + +#[derive(Debug, PartialEq, Eq)] +struct Ishmael; +#[derive(Debug, PartialEq, Eq)] +struct Maybe; +struct CallMe; + +impl FnOnce<(Ishmael,)> for CallMe { + type Output = Ishmael; + extern "rust-call" fn call_once(self, _args: (Ishmael,)) -> Ishmael { + println!("Split your lungs with blood and thunder!"); + Ishmael + } +} + +impl FnOnce<(Maybe,)> for CallMe { + type Output = Maybe; + extern "rust-call" fn call_once(self, _args: (Maybe,)) -> Maybe { + println!("So we just met, and this is crazy"); + Maybe + } +} + +fn main() { + assert_eq!(CallMe(Ishmael), Ishmael); + assert_eq!(CallMe(Maybe), Maybe); +} |