diff options
Diffstat (limited to 'tests/ui/functions-closures/fn-item-type-cast.rs')
-rw-r--r-- | tests/ui/functions-closures/fn-item-type-cast.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/functions-closures/fn-item-type-cast.rs b/tests/ui/functions-closures/fn-item-type-cast.rs new file mode 100644 index 000000000..4d50ea97b --- /dev/null +++ b/tests/ui/functions-closures/fn-item-type-cast.rs @@ -0,0 +1,22 @@ +// run-pass +#![allow(dead_code)] +#![allow(unused_variables)] +// Test explicit coercions from a fn item type to a fn pointer type. + + +fn foo(x: isize) -> isize { x * 2 } +fn bar(x: isize) -> isize { x * 4 } +type IntMap = fn(isize) -> isize; + +fn eq<T>(x: T, y: T) { } + +static TEST: Option<IntMap> = Some(foo as IntMap); + +fn main() { + let f = foo as IntMap; + + let f = if true { foo as IntMap } else { bar as IntMap }; + assert_eq!(f(4), 8); + + eq(foo as IntMap, bar as IntMap); +} |