src/test/ui/const-generics/slice-const-param-mismatch.rs

   1 #![feature(const_generics)]
   2 //~^ WARN the feature `const_generics` is incomplete
   3
   4 struct ConstString<const T: &'static str>;
   5 struct ConstBytes<const T: &'static [u8]>;
   6
   7 pub fn main() {
   8     let _: ConstString<"Hello"> = ConstString::<"Hello">;
   9     let _: ConstString<"Hello"> = ConstString::<"World">; //~ ERROR mismatched types
  10     let _: ConstString<"ℇ㇈↦"> = ConstString::<"ℇ㇈↦">;
  11     let _: ConstString<"ℇ㇈↦"> = ConstString::<"ℇ㇈↥">; //~ ERROR mismatched types
  12     let _: ConstBytes<b"AAA"> = ConstBytes::<{&[0x41, 0x41, 0x41]}>;
  13     let _: ConstBytes<b"AAA"> = ConstBytes::<b"BBB">; //~ ERROR mismatched types
  14 }