Method _getOrCreateMap

src/data/OrdinalMeta.ts:145–149

()

    // Consider big data, do not create map until needed.
    private _getOrCreateMap(): HashMap<OrdinalNumber> {
        return this._map || (
            this._map = createHashMap<OrdinalNumber>(this.categories)
        );
    }
}

function getName(obj: any): string {