callbackreference

noun

UK /ˈkɔːlbæk ˈrɛfrəns/

US /ˈkɔlˌbæk ˈrɛfrəns/

A callback reference is a way for a computer to remember which piece of code to run later.

The button stores a callback reference so it knows what to do when you click it.

SYNONYMS

function pointer callback handle callback link delegate reference event handler reference

RELATED WORDS

callback reference function event listener pointer

OTHER MEANINGS

2. In programming, a value that points to a function to be called when something happens.

Pass a callback reference to the timer so it runs your code after one second.

3. A saved link to a routine that can be invoked later by another part of the program.

The library keeps a callback reference and calls it when the download finishes.

4. A way to hand off work by giving another function a reference to call back.

Instead of waiting, the app registers a callback reference and continues running.