multidef
Lets you define multiple heads for the same function:
defmodule Test do
import MultiDef
mdef fred do
{ :init, val } -> fred {:double, val}
{ :double, val } -> IO.puts(val*2)
a, b -> a+b
end
end
IO.inspect Test.fred 1, 2 #=> 3
IO.inspect Test.fred { :init, 4 } #=> 8
