nl_tokens: / --- Helpers
pl_tokens: function mergeFunctionArgs ( argv , start , end ) { assert . ok ( argv ) ; if ( ! <mask> ) start = 0 ; if ( ! end ) end = argv . length ; var handlers = [ ] ; for ( var i = start ; i < end ; i ++ ) { if ( argv [ i ] instanceof Array ) { var arr = argv [ i ] ; for ( var j = 0 ; j < arr . length ; j ++ ) { if ( ! ( arr [ j ] instanceof Function ) ) { throw new TypeError ( 'Invalid argument type: ' + typeof ( arr [ j ] ) ) ; } handlers . push ( arr [ j ] ) ; } } else if ( argv [ i ] instanceof Function ) { handlers . push ( argv [ i ] ) ; } else { throw new TypeError ( 'Invalid argument type: ' + typeof ( argv [ i ] ) ) ; } } return handlers ; }