diff options
Diffstat (limited to 'src/test/ui/functions-closures/closure-expected-type/expect-infer-supply-two-infers.rs')
-rw-r--r-- | src/test/ui/functions-closures/closure-expected-type/expect-infer-supply-two-infers.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/functions-closures/closure-expected-type/expect-infer-supply-two-infers.rs b/src/test/ui/functions-closures/closure-expected-type/expect-infer-supply-two-infers.rs new file mode 100644 index 000000000..6d5a9876c --- /dev/null +++ b/src/test/ui/functions-closures/closure-expected-type/expect-infer-supply-two-infers.rs @@ -0,0 +1,19 @@ +// run-pass +#![allow(dead_code)] +#![allow(unused_variables)] +fn with_closure<A, F>(_: F) + where F: FnOnce(Vec<A>, A) +{ +} + +fn expect_free_supply_free<'x>(x: &'x u32) { + with_closure(|mut x: Vec<_>, y| { + // Shows that the call to `x.push()` is influencing type of `y`... + x.push(22_u32); + + // ...since we now know the type of `y` and can resolve the method call. + let _ = y.wrapping_add(1); + }); +} + +fn main() { } |