From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../unboxed-closures-blanket-fn.rs | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/test/ui/unboxed-closures/unboxed-closures-blanket-fn.rs (limited to 'src/test/ui/unboxed-closures/unboxed-closures-blanket-fn.rs') diff --git a/src/test/ui/unboxed-closures/unboxed-closures-blanket-fn.rs b/src/test/ui/unboxed-closures/unboxed-closures-blanket-fn.rs new file mode 100644 index 000000000..ca1d31ca5 --- /dev/null +++ b/src/test/ui/unboxed-closures/unboxed-closures-blanket-fn.rs @@ -0,0 +1,27 @@ +// run-pass +#![allow(unused_variables)] +// Test that you can supply `&F` where `F: Fn()`. + +#![feature(lang_items)] + +fn a i32>(f: F) -> i32 { + f() +} + +fn b(f: &dyn Fn() -> i32) -> i32 { + a(f) +} + +fn c i32>(f: &F) -> i32 { + a(f) +} + +fn main() { + let z: isize = 7; + + let x = b(&|| 22); + assert_eq!(x, 22); + + let x = c(&|| 22); + assert_eq!(x, 22); +} -- cgit v1.2.3