Parle\RParser::precedence

(PECL parle >= 0.7.0)

Parle\RParser::precedenceDeclare a precedence rule

說(shuō)明

public Parle\RParser::precedence(string $tok): void

Declares a precedence rule for a fictious terminal symbol. This rule can be later used in the specific grammar rules.

參數(shù)

tok

Token name.

返回值

沒(méi)有返回值。