Function map

index.js:1068–1072

(f)

  //. 10
  //. ```
  function map(f) {
    return function(functor) {
      return Z.map (f, functor);
    };
  }
  _.map = {
    consts: {f: [Z.Functor]},
    types: [$.Fn (a) (b), f (a), f (b)],