[antlr-interest] semantics of the => operator
Christian
chwchw at gmx.de
Thu Nov 24 18:44:21 PST 2011
Hi community,
I stumble across the => operator and the following rule:
arule
: (identifier generic_argument_list) => identifier generic_argument_list
| identifier
;
Why is this rule not equivalent to the following one?
brule
: identifier generic_argument_list?
;
I admit that I do not find the operator on the antlr site, thus I do not
read any documentation about the semantics of =>.
Please, can someone tell me?
Thanks,
Christian
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