Method addFeature

src/core/kernel.js:296–300

(keyword, definition)

    }

    addFeature(keyword, definition) {
        var featureGrammarType = keyword + "Feature";
        this.#grammar[featureGrammarType] = definition;
        this.#features[keyword] = definition;
    }

    /**
     * Register a parse element class based on its static metadata.