package test:lists;

interface test {
  empty-list-param: func(a: list<u8>);
  empty-string-param: func(a: string);
  empty-list-result: func() -> list<u8>;
  empty-string-result: func() -> string;

  list-param: func(a: list<u8>);
  list-param2: func(a: string);
  list-param3: func(a: list<string>);
  list-param4: func(a: list<list<string>>);
  list-result: func() -> list<u8>;
  list-result2: func() -> string;
  list-result3: func() -> list<string>;

  list-minmax8: func(a: list<u8>, b: list<s8>) -> tuple<list<u8>, list<s8>>;
  list-minmax16: func(a: list<u16>, b: list<s16>) -> tuple<list<u16>, list<s16>>;
  list-minmax32: func(a: list<u32>, b: list<s32>) -> tuple<list<u32>, list<s32>>;
  list-minmax64: func(a: list<u64>, b: list<s64>) -> tuple<list<u64>, list<s64>>;
  list-minmax-float: func(a: list<f32>, b: list<f64>)
    -> tuple<list<f32>, list<f64>>;

  list-roundtrip: func(a: list<u8>) -> list<u8>;

  string-roundtrip: func(a: string) -> string;
}

world lists {
  import test;
  export test;

  export test-imports: func();
  export allocated-bytes: func() -> u32;
}