lodash/_overArg.js

define([], function() {

  /**
   * Creates a function that invokes `func` with its first argument transformed.
   *
   * @private
   * @param {Function} func The function to wrap.
   * @param {Function} transform The argument transform.
   * @returns {Function} Returns the new function.
   */
  function overArg(func, transform) {
    return function(arg) {
      return func(transform(arg));
    };
  }

  return overArg;
});