Parle\RParser::precedence

(PECL parle >= 0.7.0)

Parle\RParser::precedence — Declare a precedence rule

說明

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

沒有返回值。