package foo:maps;

interface maps {
  // Basic maps
  type string-to-u32 = map<string, u32>;
  type u32-to-string = map<u32, string>;
  
  // Nested maps
  type nested-map = map<string, map<string, u32>>;
  
  // Maps with complex types
  record person {
    name: string,
    age: u32,
  }
  type person-map = map<string, person>;
  
  // Maps with tuples, lists, options
  type complex-map = map<string, option<list<u32>>>;
  
  // Functions using maps
  get-value: func(m: map<string, u32>, key: string) -> option<u32>;
  set-value: func(m: map<string, u32>, key: string, value: u32) -> map<string, u32>;
  merge-maps: func(a: map<string, u32>, b: map<string, u32>) -> map<string, u32>;
  
  // Map with various key types
  type int-key-map = map<u32, string>;
  type char-key-map = map<char, string>;
}

world maps-world {
  import maps;
  export maps;
}