Enum.join
You're seeing just the function
join
, go back to Enum module for more information.
Specs
Joins the given enumerable
into a string using joiner
as a
separator.
If joiner
is not passed at all, it defaults to an empty string.
All elements in the enumerable
must be convertible to a string,
otherwise an error is raised.
Examples
iex> Enum.join([1, 2, 3])
"123"
iex> Enum.join([1, 2, 3], " = ")
"1 = 2 = 3"