Parle\RParser::precedence

    (PECL parle >= 0.7.0)

    Parle\RParser::precedence — Declare a precedence rule

    说明

    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.

    参数

    tok

    Token name.

    返回值

    没有返回值。

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