anonymous_T0.js

/* @flow */

function identity<T>(x: T): T {
  return x;
}

function fmapArray<T, U>(fn: (t: T) => U): (a: ?Array<T>) => Array<U> {
  return function(x) {
    if (!x) {
      return [];
    }
    return x.map(fn);
  };
}

function fmapMap<T, U>(fn: (t: T) => U): (m: ?Map<string, T>) => { [k: string]: U } {
  return function(x) {
    var retval = {};
    if (!x) {
      return retval;
    }
    for (var y of x) {
      retval[y[0]] = fn(y[1]);
    }
    return retval;
  };
}

export type T = { x: string; };
export function empty(): T { return { x: "" }; }
export function marshal<U>(x: T): U { return (function(x) { return { X: identity(x.x) }; })(x); }