rustc/vendor/wit-component-0.219.1/tests/interfaces/variants.wit.print

package foo:variants;

interface variants {
  enum e1 {
    a,
  }

  record single {
    f: u8,
  }

  variant v1 {
    a,
    c(e1),
    d(string),
    e(single),
    f,
    g(u32),
  }

  variant casts1 {
    a(s32),
    b(f32),
  }

  variant casts2 {
    a(f64),
    b(f32),
  }

  variant casts3 {
    a(f64),
    b(u64),
  }

  variant casts4 {
    a(u32),
    b(s64),
  }

  variant casts5 {
    a(f32),
    b(s64),
  }

  variant casts6 {
    a(tuple<f32, u32>),
    b(tuple<u32, u32>),
  }

  enum my-errno {
    bad1,
    bad2,
  }

  e1-arg: func(x: e1);

  e1-result: func() -> e1;

  v1-arg: func(x: v1);

  v1-result: func() -> v1;

  bool-arg: func(x: bool);

  bool-result: func() -> bool;

  option-arg: func(a: option<bool>, b: option<tuple<u32>>, c: option<u32>, d: option<e1>, e: option<f32>, g: option<option<bool>>);

  option-result: func() -> tuple<option<bool>, option<tuple<u32>>, option<u32>, option<e1>, option<f32>, option<option<bool>>>;

  casts: func(a: casts1, b: casts2, c: casts3, d: casts4, e: casts5, f: casts6) -> tuple<casts1, casts2, casts3, casts4, casts5, casts6>;

  expected-arg: func(a: result, b: result<_, e1>, c: result<e1>, d: result<tuple<u32>, tuple<u32>>, e: result<u32, v1>, f: result<string, list<u8>>);

  expected-result: func() -> tuple<result, result<_, e1>, result<e1>, result<tuple<u32>, tuple<u32>>, result<u32, v1>, result<string, list<u8>>>;

  return-expected-sugar: func() -> result<s32, my-errno>;

  return-expected-sugar2: func() -> result<_, my-errno>;

  return-expected-sugar3: func() -> result<my-errno, my-errno>;

  return-expected-sugar4: func() -> result<tuple<s32, u32>, my-errno>;

  return-option-sugar: func() -> option<s32>;

  return-option-sugar2: func() -> option<my-errno>;

  expected-simple: func() -> result<u32, s32>;
}

world variants-world {
  import variants;
}