[squeak-dev] grammarPEG : Grammar <- Definition+ !. what is the !.
gettimothy
gettimothy at zoho.com
Thu Apr 16 13:43:52 UTC 2020
In XTreams-Parsing ->PEGParser class->grammarPEG
is a Rule
Grammar <- Definition+ !.
Which I believe means "Only 1 or more definitions and nothing else" where "!." means "nothing else"
I suspect that the !. was put there to radically tighten down the allowed inputs to a PEG grammar.
Is this assumption correct?
thanks in advance.
tty
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