voidfunction

noun

UK /vɔɪd ˈfʌŋkʃən/

US /vɔɪd ˈfʌŋkʃən/

A void function is a piece of computer code that does a job but does not give anything back.

The programmer wrote a void function to print a welcome message on the screen.

SYNONYMS

procedure subroutine method no-return function

RELATED WORDS

function return value parameter code block programming

OTHER MEANINGS

2. In some languages, a function declared to return no value at all.

In C, a void function cannot be used in an expression that needs a value.

3. A routine used only for its side effects, such as printing or saving data.

She used a void function to log each step of the program.

4. A function whose result is ignored by the caller.

Calling the void function updated the display without storing anything.