tests/ui/type/type-mismatch.rs

   1 #![allow(non_camel_case_types)]
   2
   3 trait Qux {}
   4 struct A;
   5 struct B;
   6 impl Qux for A {}
   7 impl Qux for B {}
   8
   9 struct Foo<T, U: Qux = A, V: Qux = B>(T, U, V);
  10
  11 struct foo;
  12 struct bar;
  13
  14 fn want<T>(t: T) {}
  15
  16 fn have_usize(f: usize) {
  17     want::<foo>(f); //~ ERROR mismatched types
  18     want::<bar>(f); //~ ERROR mismatched types
  19     want::<Foo<usize>>(f); //~ ERROR mismatched types
  20     want::<Foo<usize, B>>(f); //~ ERROR mismatched types
  21     want::<Foo<foo>>(f); //~ ERROR mismatched types
  22     want::<Foo<foo, B>>(f); //~ ERROR mismatched types
  23     want::<Foo<bar>>(f); //~ ERROR mismatched types
  24     want::<Foo<bar, B>>(f); //~ ERROR mismatched types
  25 }
  26
  27 fn have_foo(f: foo) {
  28     want::<usize>(f); //~ ERROR mismatched types
  29     want::<bar>(f); //~ ERROR mismatched types
  30     want::<Foo<usize>>(f); //~ ERROR mismatched types
  31     want::<Foo<usize, B>>(f); //~ ERROR mismatched types
  32     want::<Foo<foo>>(f); //~ ERROR mismatched types
  33     want::<Foo<foo, B>>(f); //~ ERROR mismatched types
  34     want::<Foo<bar>>(f); //~ ERROR mismatched types
  35     want::<Foo<bar, B>>(f); //~ ERROR mismatched types
  36 }
  37
  38 fn have_foo_foo(f: Foo<foo>) {
  39     want::<usize>(f); //~ ERROR mismatched types
  40     want::<foo>(f); //~ ERROR mismatched types
  41     want::<bar>(f); //~ ERROR mismatched types
  42     want::<Foo<usize>>(f); //~ ERROR mismatched types
  43     want::<Foo<usize, B>>(f); //~ ERROR mismatched types
  44     want::<Foo<foo, B>>(f); //~ ERROR mismatched types
  45     want::<Foo<bar>>(f); //~ ERROR mismatched types
  46     want::<Foo<bar, B>>(f); //~ ERROR mismatched types
  47     want::<&Foo<foo>>(f); //~ ERROR mismatched types
  48     want::<&Foo<foo, B>>(f); //~ ERROR mismatched types
  49 }
  50
  51 fn have_foo_foo_b(f: Foo<foo, B>) {
  52     want::<usize>(f); //~ ERROR mismatched types
  53     want::<foo>(f); //~ ERROR mismatched types
  54     want::<bar>(f); //~ ERROR mismatched types
  55     want::<Foo<usize>>(f); //~ ERROR mismatched types
  56     want::<Foo<usize, B>>(f); //~ ERROR mismatched types
  57     want::<Foo<foo>>(f); //~ ERROR mismatched types
  58     want::<Foo<bar>>(f); //~ ERROR mismatched types
  59     want::<Foo<bar, B>>(f); //~ ERROR mismatched types
  60     want::<&Foo<foo>>(f); //~ ERROR mismatched types
  61     want::<&Foo<foo, B>>(f); //~ ERROR mismatched types
  62 }
  63
  64 fn have_foo_foo_b_a(f: Foo<foo, B, A>) {
  65     want::<usize>(f); //~ ERROR mismatched types
  66     want::<foo>(f); //~ ERROR mismatched types
  67     want::<bar>(f); //~ ERROR mismatched types
  68     want::<Foo<usize>>(f); //~ ERROR mismatched types
  69     want::<Foo<usize, B>>(f); //~ ERROR mismatched types
  70     want::<Foo<foo>>(f); //~ ERROR mismatched types
  71     want::<Foo<foo, B>>(f); //~ ERROR mismatched types
  72     want::<Foo<bar>>(f); //~ ERROR mismatched types
  73     want::<Foo<bar, B>>(f); //~ ERROR mismatched types
  74     want::<&Foo<foo>>(f); //~ ERROR mismatched types
  75     want::<&Foo<foo, B>>(f); //~ ERROR mismatched types
  76 }
  77
  78 fn main() {}