mapfunction
nounUK /ˈmæp ˌfʌŋkʃən/
US /ˈmæp ˌfʌŋkʃən/
A map function is a tool that changes every item in a list in the same way.
We used a map function to turn all the numbers into words.
OTHER MEANINGS
2. In programming, a higher-order function that applies a given function to each element of a collection and returns the results.
The map function returned a new array with each value doubled.
3. In mathematics, a rule that assigns each input exactly one output.
The map function f(x) = x + 1 adds one to every number.
4. A feature in some spreadsheet or data tools that applies an operation across a range of cells.
The map function filled the whole column with converted values.