Function setExtent

src/scale/scaleMapper.ts:461–466

(start, end)

    },

    setExtent(start, end) {
        if (__DEV__) {
            assert(!this._frozen);
        }
        writeExtent(this._extents, SCALE_EXTENT_KIND_EFFECTIVE, start, end);
    },

    setExtent2(kind, start, end) {
        if (__DEV__) {