lib/benchmark.js
function Benchmark(name, fn) {
  this._name = name;
  this._fn = fn;
  this._async = fn.length > 1;
}
function Benchmark(name, fn) {
  this._name = name;
  this._fn = fn;
  this._async = fn.length > 1;
}
function Benchmark ( name , fn ) { this . _name = name ; this . _fn = fn ; this . _async = fn . length > 1 ; }
Benchmark constructor.

@param {String} name
@param {Function} fn
@constructor
Benchmark constructor .