nullParser -- a terminal parser that returns the value nil

Code

/usr/share/Macaulay2/Parsing.m2:59:44-59:66: --source code:
terminalParser = val -> new Parser from (c -> if c === null then val)
| symbol   class     value location of symbol
| ------   -----     ----- ------------------                                           
| val    : Symbol -- nil   /usr/share/Macaulay2/Parsing.m2:59:18-59:21