Use parentheses in GRPC.Stub to avoid warnings during compilation in elixir 1.17 (#18)

Co-authored-by: David Webster <>

Author: davidwebster48

lib/grpc/stub.ex

@@ -59,7 +59,7 @@ defmodule GRPC.Stub do
       service_mod = opts[:service]
       service_name = service_mod.__meta__(:name)
 
-      Enum.each(service_mod.__rpc_calls__, fn {name, {_, req_stream}, {_, res_stream}} = rpc ->
+      Enum.each(service_mod.__rpc_calls__(), fn {name, {_, req_stream}, {_, res_stream}} = rpc ->
         func_name = name |> to_string |> Macro.underscore()
         path = "/#{service_name}/#{name}"
         grpc_type = GRPC.Service.grpc_type(rpc)

mix.exs

@@ -4,7 +4,7 @@ defmodule GRPC.Mixfile do
   def project do
     [
       app: :grpc,
-      version: "0.6.5",
+      version: "0.6.6",
       elixir: "~> 1.5",
       elixirc_paths: elixirc_paths(Mix.env()),
       build_embedded: Mix.env() == :prod,