From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../unboxed-closures-blanket-fn-mut.rs | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tests/ui/unboxed-closures/unboxed-closures-blanket-fn-mut.rs (limited to 'tests/ui/unboxed-closures/unboxed-closures-blanket-fn-mut.rs') diff --git a/tests/ui/unboxed-closures/unboxed-closures-blanket-fn-mut.rs b/tests/ui/unboxed-closures/unboxed-closures-blanket-fn-mut.rs new file mode 100644 index 000000000..a10016735 --- /dev/null +++ b/tests/ui/unboxed-closures/unboxed-closures-blanket-fn-mut.rs @@ -0,0 +1,27 @@ +// run-pass +#![allow(unused_variables)] +// Test that you can supply `&F` where `F: FnMut()`. + +#![feature(lang_items)] + +fn a i32>(mut f: F) -> i32 { + f() +} + +fn b(f: &mut dyn FnMut() -> i32) -> i32 { + a(f) +} + +fn c i32>(f: &mut F) -> i32 { + a(f) +} + +fn main() { + let z: isize = 7; + + let x = b(&mut || 22); + assert_eq!(x, 22); + + let x = c(&mut || 22); + assert_eq!(x, 22); +} -- cgit v1.2.3