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Comments (2)

henrik avatar henrik commented on May 15, 2024

Afraid guards aren't enough. I think they must have different arities not to be ambiguous.

defmodule Lab do
  def build(x) when is_binary(x) do
  end
end

defmodule Fab do
  def build(x) when is_atom(x) do
  end
end

defmodule Run do
  import Lab
  import Fab

  def run do
    build("a")
  end
end

Run.run

# ** (CompileError) nofile:16: function build/1 imported from both Fab and Lab, call is ambiguous
#     (elixir) src/elixir_dispatch.erl:111: :elixir_dispatch.expand_import/6
#     (elixir) src/elixir_dispatch.erl:82: :elixir_dispatch.dispatch_import/5

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paulcsmith avatar paulcsmith commented on May 15, 2024

Oh yeah! You're very right. We decided to just add a note in the Readme instead. Hopefully that should do the trick! Thanks for taking a look though. I appreciate it :)

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