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deadParser -- a parser which accepts no tokens and is not in a terminal state

Description

i1 : peek deadParser "a"

o1 = null
 
i2 : peek deadParser null

o2 = null

Code

../../../../../Macaulay2/packages/Parsing.m2:57:23-57:26: --source code:
deadParser = Parser (c -> null)

For the programmer

The object deadParser is a parser.