nl_tokens: Reads an entry array_pair : expr T_DOUBLE_ARROW expr | expr | expr T_DOUBLE_ARROW & variable | & variable | expr T_DOUBLE_ARROW T_LIST ( array_pair_list ) | T_LIST ( array_pair_list )
pl_tokens: function ( shortForm ) { if ( this . token === "," || ( ! shortForm && this . token === ")" ) || ( shortForm && this . token === "]" ) ) { return null ; } if ( this . token === "&" ) { return this . next ( ) . read_variable ( true , false , true ) ; } else { const entry = this . node ( ArrayEntry ) ; const expr = this . read_expr ( ) ; if ( this . token === this . tok . T_DOUBLE_ARROW ) { if ( this . next ( ) . token === "&" ) { return entry ( expr , this . <mask> ( ) . read_variable ( true , false , true ) ) ; } else { return entry ( expr , this . read_expr ( ) ) ; } } return expr ; } }