code: function replacePlaceHolders (array, args) {
          var out = array.map(function (element) {
              return ! (element instanceof PlaceHolder) ? element :
                  (args.length > 0 ? args.shift() : element);
          });
          return args.length > 0 ? out.concat(args) : out;
      }
docs: Replaces found placeholder values and appends any left over `args` to resulting array.
  @param array {Array}
  @param args {Array}
  @returns {Array.<T>|string|Buffer}