Method fastRemoveAt

cocos/core/utils/array.ts:78–86

(i: number)

    }

    public fastRemoveAt (i: number): void {
        const array = this.array;
        array[i] = array[array.length - 1];
        --array.length;

        if (i <= this.i) {
            --this.i;
        }
    }

    public push (item: T): void {
        this.array.push(item);