Elixir convert struct to map
Since v0.15 we have Map.from_struct/1 which does exactly this.
defmodule User do
defstruct [:name]
end
Map.from_struct(%User{name: "valim"})
#=> %{name: "valim"}
There's another trick
my_struct = %MyStruct{}
my_map = Map.delete my_struct, :__struct__