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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-53568.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-53568.rs b/src/test/ui/issues/issue-53568.rs new file mode 100644 index 000000000..49ae444f9 --- /dev/null +++ b/src/test/ui/issues/issue-53568.rs @@ -0,0 +1,47 @@ +// Regression test for an NLL-related ICE (#53568) -- we failed to +// resolve inference variables in "custom type-ops". +// +// check-pass + +trait Future { + type Item; +} + +impl<F, T> Future for F +where F: Fn() -> T +{ + type Item = T; +} + +trait Connect {} + +struct Connector<H> { + handler: H, +} + +impl<H, T> Connect for Connector<H> +where + T: 'static, + H: Future<Item = T> +{ +} + +struct Client<C> { + connector: C, +} + +fn build<C>(_connector: C) -> Client<C> { + unimplemented!() +} + +fn client<H>(handler: H) -> Client<impl Connect> +where H: Fn() + Copy +{ + let connector = Connector { + handler, + }; + let client = build(connector); + client +} + +fn main() { } |