Enum.at
You're seeing just the function
at
, go back to Enum module for more information.
Specs
Finds the element at the given index
(zero-based).
Returns default
if index
is out of bounds.
A negative index
can be passed, which means the enumerable
is
enumerated once and the index
is counted from the end (for example,
-1
finds the last element).
Examples
iex> Enum.at([2, 4, 6], 0)
2
iex> Enum.at([2, 4, 6], 2)
6
iex> Enum.at([2, 4, 6], 4)
nil
iex> Enum.at([2, 4, 6], 4, :none)
:none