Parle\RParser::precedence
(PECL parle >= 0.7.0)
Parle\RParser::precedence — Declare a precedence rule
说明
public Parle\RParser::precedence(string
$tok
): voidDeclares a precedence rule for a fictious terminal symbol. This rule can be later used in the specific grammar rules.
参数
-
tok
-
Token name.
返回值
没有返回值。
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