How do you check for the type of variable in Elixir

Starting in elixir 1.2 there is an i command in iex that will list the type and more of any Elixir variable. iex> foo = "a string" iex> i foo Term "a string" Data type BitString Byte size 8 Description This is a string: a UTF-8 encoded binary. It's printed surrounded by "double quotes" because all UTF-8 encoded codepoints in it are printable. Raw representation <<97, 32, 115, 116, 114, 105, 110, 1

[hnishi2509]

elixir/erlang で variable の type を確認する方法