Function idempotentUpdate

packages/core/test/render3/instructions_spec.ts:92–94

()

    it('should not update bindings when value does not change, with the correct perf counters', () => {
      const idempotentUpdate = () => {
        ɵɵproperty('title', 'Hello');
      };
      const t = new ViewFixture({
        create: createAnchor,
        update: idempotentUpdate,