nl_tokens: - * append : ( xs ... : Array a | Seq a | () → Array a | () → Seq a ) → Seq a * : Append one sequence - like to another .
pl_tokens: function append ( ) { var acc = nil ; for ( var i = 0 ; i < arguments . length ; i ++ ) { acc = acc . append ( arguments [ i ] ) ; } return <mask> ; }