Example:
Say, there's following file:
# example.exs
import String, only: [upcase: 1, downcase: 1]
import Enum
IO.puts upcase("Hello")
Before this patch:
# $ elixir example.exs
# HELLO
# warning.exs:2: warning: unused import Enum
After this patch:
# $ elixir example.exs
# HELLO
# example.exs:1: warning: unused import String.downcase/1
# example.exs:2: warning: unused import Enum