nl_tokens: pipe Forward function composition .
pl_tokens: function pipe ( ) { for ( var _len6 = arguments . length , fs = Array ( _len6 ) , _key6 = 0 ; _key6 < _len6 ; _key6 ++ ) { fs [ _key6 ] = arguments [ _key6 ] ; } return function ( ) { var _this3 = this ; var first = fs . shift ( ) ; for ( var _len7 = arguments . <mask> , args = Array ( _len7 ) , _key7 = 0 ; _key7 < _len7 ; _key7 ++ ) { args [ _key7 ] = arguments [ _key7 ] ; } return fs . reduce ( function ( acc , f ) { return f . call ( _this3 , acc ) ; } , first . apply ( this , args ) ) ; } ; }