nl_tokens: call the next target function ( s ) if possible when appropriate
pl_tokens: function ( ) { if ( head . open === 0 && head . next ) { // advance the head, if possible head = head . next ; } head . open = head . open || 0 ; head . callbacks = head . callbacks || [ false ] ; var dispatchInternal = function ( fnIndex ) { head . open += 1 ; setImmediate ( function ( ) { var opts = makeOpts ( head . opts [ fnIndex ] ) ; if ( errorCount > 0 ) { return ; } var handleError = function ( err ) { errorCount += 1 ; opts . onError ( err , errorCount ) ; } ; var callback = function ( err ) { setImmediate ( function ( ) { if ( head . callbacks [ fnIndex ] ) { handleError ( new Error ( 'function called back twice!' ) ) ; } head . callbacks [ fnIndex ] = true ; if ( <mask> ) { handleError ( err ) ; } head . open -= 1 ; setImmediate ( dispatch ) ; } ) ; } ; if ( opts . wrapWithTry ) { try { head . fns [ fnIndex ] ( callback ) ; } catch ( err ) { head . open -= 1 ; handleError ( err ) ; } } else { head . fns [ fnIndex ] ( callback ) ; } } ) ; } ; for ( head . fnIndex = head . fnIndex || 0 ; head . fnIndex < head . fns . length ; head . fnIndex += 1 ) { dispatchInternal ( head . fnIndex ) ; } }