diff options
Diffstat (limited to 'src/test/ui/unboxed-closures/unboxed-closures-infer-arg-types-w-bound-regs-from-expected-bound.rs')
-rw-r--r-- | src/test/ui/unboxed-closures/unboxed-closures-infer-arg-types-w-bound-regs-from-expected-bound.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-infer-arg-types-w-bound-regs-from-expected-bound.rs b/src/test/ui/unboxed-closures/unboxed-closures-infer-arg-types-w-bound-regs-from-expected-bound.rs new file mode 100644 index 000000000..c3abdd8aa --- /dev/null +++ b/src/test/ui/unboxed-closures/unboxed-closures-infer-arg-types-w-bound-regs-from-expected-bound.rs @@ -0,0 +1,23 @@ +// run-pass +// Test that we are able to infer that the type of `x` is `isize` based +// on the expected type from the object. + +// pretty-expanded FIXME #23616 + +pub trait ToPrimitive { + fn to_int(&self) {} +} + +impl ToPrimitive for isize {} +impl ToPrimitive for i32 {} +impl ToPrimitive for usize {} + +fn doit<T,F>(val: T, f: &F) + where F : Fn(&T) +{ + f(&val) +} + +pub fn main() { + doit(0, &|x /*: isize*/ | { x.to_int(); }); +} |