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Common first class function: map

map takes as its arguments a function and a list. It then applies the function to each element of the list and returns the list of the return values of the function: map(f, [v1, v2, v3]) == [f(v1), f(v2), f(v3)]

See also

Perl's, Python's and Vim script's implementation of map, the roughly equivalent R function sapply() and PowerShell's forEach object cmdLet.
MapReduce
The Powershell cmdlet forEach-object.
The List.Transform function of Power Query/Formula-M

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