message ModuleSpec {
  required string name = 1;
  
  message Function {
    required string name = 1;
    required int32 arity = 2;
  }
  
  repeated Function functions = 2;
}

message ModuleList {
  repeated ModuleSpec modules = 1;
}

message FunctionCall {
	required string moduleName = 1;
	required string functionName = 2;
	required int32 argc = 3;
	repeated bytes argv = 4;
}

message FunctionResult {
	required bytes value = 1;
}

message ElixirCallback {
  required bytes fun = 1;
  repeated bytes args = 2;
}