Finalize the grammar rules

# Parle\RParser::build

(PECL parle >= 0.7.0)

Parle\RParser::build — Finalize the grammar rules

### Description

public Parle\RParser::build(): void

Any tokens and grammar rules previously added are finalized. The rule set becomes readonly and the parser is ready to start.

### Parameters

This function has no parameters.

### Return Values

No value is returned.

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