Method set

src/app/cache.ts:147–150

(newVal: T)

      let ret: Awaited<ReturnType<CB>>;
      const act = { action: Actions.NONE } as { action?: number; newVal?: T };
      const set = (newVal: T) => {
        act.action = Actions.SET;
        act.newVal = newVal;
      };
      const del = () => {
        act.action = Actions.DEL;
        act.newVal = undefined;