How to create a map from a list of two item tuples in Elixir
What would be an elegant way for converting a list of two item tuples like [{1,2},{3,4}] into the map %{1=>2, 3=>4}?
Keyword list would be trivial, but what if we have arbitrary keys?
Solution 1:
The simplest way to do this is:
Enum.into(list, %{})
Solution 2:
Map module also supports such lists as a parameter to the new function:
iex> Map.new([{1, 2}, {3, 4}])
%{1 => 2, 3 => 4}
Solution 3:
I've just got it:
list = [{1,2},{3,4}]
themap = for e <- list, into: %{}, do: e