whole_func_string: function utilTack( methodCallback, methodSchema ) {
          function tackDefault( opt, success, complete ) {
              var async;
  
              if ( opt.async ) {
                  async = opt.async;
                  delete opt.async;
              }
  
              // reverse compatibility
              success = success || opt.success || Break;
              complete = complete || opt.complete || Break;
  
              if ( async ) {
                  nextTick( nextTickTackDefault, methodCallback, this, opt, success, complete );
              }
              else {
                  methodCallback.call( this, opt, success );
                  complete.call( this, opt );
              }
              
              return this;
          }
  
          Object.defineProperty( tackDefault, 'tick', { value: methodSchema || true });
          Object.defineProperty( tackDefault, 'callback', { value: methodCallback });
  
          return tackDefault;
      }
func_code_string: function utilTack( methodCallback, methodSchema ) {
          function tackDefault( opt, success, complete ) {
              var async;
  
              if ( opt.async ) {
                  async = opt.async;
                  delete opt.async;
              }
  
              // reverse compatibility
              success = success || opt.success || Break;
              complete = complete || opt.complete || Break;
  
              if ( async ) {
                  nextTick( nextTickTackDefault, methodCallback, this, opt, success, complete );
              }
              else {
                  methodCallback.call( this, opt, success );
                  complete.call( this, opt );
              }
              
              return this;
          }
  
          Object.defineProperty( tackDefault, 'tick', { value: methodSchema || true });
          Object.defineProperty( tackDefault, 'callback', { value: methodCallback });
  
          return tackDefault;
      }
func_documentation_string: [utilTack description]
  @param  {external.Function} methodCallback [description]
  @param  {external.Array}    methodSchema   [description]
  @return {external.Function}                [description]