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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/unboxed-closures/unboxed-closures-call-fn-autoderef.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-call-fn-autoderef.rs b/src/test/ui/unboxed-closures/unboxed-closures-call-fn-autoderef.rs new file mode 100644 index 000000000..e23a75ab3 --- /dev/null +++ b/src/test/ui/unboxed-closures/unboxed-closures-call-fn-autoderef.rs @@ -0,0 +1,18 @@ +// run-pass +#![allow(unused_imports)] +// Test that the call operator autoderefs when calling a bounded type parameter. + +use std::ops::FnMut; + +fn call_with_2(x: &fn(isize) -> isize) -> isize +{ + x(2) // look ma, no `*` +} + +fn subtract_22(x: isize) -> isize { x - 22 } + +pub fn main() { + let subtract_22: fn(isize) -> isize = subtract_22; + let z = call_with_2(&subtract_22); + assert_eq!(z, -20); +} |