Use Macro.camelize/1 (#36)

* Use Macro.camelize/1

* Remove upcase_first

lib/grpc_reflection/service/builder/util.ex

@@ -24,8 +24,6 @@ defmodule GrpcReflection.Service.Builder.Util do
     end
   end
 
-  def upcase_first(<<first::utf8, rest::binary>>), do: String.upcase(<<first::utf8>>) <> rest
-
   def downcase_first(<<first::utf8, rest::binary>>),
     do: String.downcase(<<first::utf8>>) <> rest
 
@@ -103,7 +101,7 @@ defmodule GrpcReflection.Service.Builder.Util do
       name -> name
     end)
     |> String.split(".")
-    |> Enum.map(&upcase_first/1)
+    |> Enum.map(&Macro.camelize/1)
     |> Module.safe_concat()
   end
 

test/builder/util_test.exs

@@ -21,10 +21,6 @@ defmodule GrpcReflection.Service.Builder.UtilTest do
                Util.get_package("testserviceV3.TestService")
     end
 
-    test "upcase_first" do
-      assert "Hello" == Util.upcase_first("hello")
-    end
-
     test "downcase_first" do
       assert "hello" == Util.downcase_first("Hello")
     end