unchangingfunction
nounUK /ʌnˈtʃeɪndʒɪŋ ˈfʌŋkʃən/
US /ʌnˈtʃeɪndʒɪŋ ˈfʌŋkʃən/
A function is a rule that always gives the same answer for the same input.
The unchangingfunction always returns 5, no matter what number you give it.
OTHER MEANINGS
2. A function whose output stays the same for every input.
In math class, we learned that an unchangingfunction is just a flat line on a graph.
3. A rule in a computer program that never changes its result.
The programmer used an unchangingfunction to keep the score fixed during the test.
4. Something that works the same way every time without changing.
Her morning routine is like an unchangingfunction: wake up, brush teeth, eat breakfast.