| #![feature(const_generics, const_compare_raw_pointers)] |
| //~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash |
| |
| struct Checked<const F: fn(usize) -> bool>; |
| |
| fn not_one(val: usize) -> bool { val != 1 } |
| fn not_two(val: usize) -> bool { val != 2 } |
| |
| fn generic_arg<T>(val: T) -> bool { true } |
| |
| fn generic<T>(val: usize) -> bool { val != 1 } |
| |
| fn main() { |
| let _: Option<Checked<not_one>> = None; |
| let _: Checked<not_one> = Checked::<not_one>; |
| let _: Checked<not_one> = Checked::<not_two>; //~ mismatched types |
| |
| let _ = Checked::<generic_arg>; |
| let _ = Checked::<{generic_arg::<usize>}>; |
| let _ = Checked::<{generic_arg::<u32>}>; //~ mismatched types |
| |
| let _ = Checked::<generic>; //~ type annotations needed |
| let _ = Checked::<{generic::<u16>}>; |
| let _: Checked<{generic::<u16>}> = Checked::<{generic::<u16>}>; |
| let _: Checked<{generic::<u32>}> = Checked::<{generic::<u16>}>; //~ mismatched types |
| } |