Enum.map

You're seeing just the function map, go back to Enum module for more information.

Specs

map(t(), (element() -> any())) :: list()

Returns a list where each element is the result of invoking fun on each corresponding element of enumerable.

For maps, the function expects a key-value tuple.

Examples

iex> Enum.map([1, 2, 3], fn x -> x * 2 end)
[2, 4, 6]

iex> Enum.map([a: 1, b: 2], fn {k, v} -> {k, -v} end)
[a: -1, b: -2]