defmodule Util do
def typeof(a) do
cond do
is_float(a) -> "float"
is_number(a) -> "number"
is_atom(a) -> "atom"
is_boolean(a) -> "boolean"
is_binary(a) -> "binary"
is_function(a) -> "function"
is_list(a) -> "list"
is_tuple(a) -> "tuple"
true -> "idunno"
end
end
end