Parle\RParser::sigil
(PECL parle >= 0.7.0)
Parle\RParser::sigil — Retrieve a matching part of a rule
说明
Retrieve a part of the match by a rule. This method is equivalent to the pseudo variable functionality in Bison.
参数
idx-
Match index, zero based.
返回值
Returns a string with the matched part.
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