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-rw-r--r--src/compiler/ruby_generator_map-inl.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/ruby_generator_map-inl.h b/src/compiler/ruby_generator_map-inl.h
index 12973e4fb4..89a74b1d41 100644
--- a/src/compiler/ruby_generator_map-inl.h
+++ b/src/compiler/ruby_generator_map-inl.h
@@ -36,7 +36,7 @@ namespace grpc_ruby_generator {
// Converts an initializer list of the form { key0, value0, key1, value1, ... }
// into a map of key* to value*. Is merely a readability helper for later code.
inline std::map<grpc::string, grpc::string> ListToDict(
- const initializer_list<grpc::string> &values) {
+ const initializer_list<grpc::string>& values) {
if (values.size() % 2 != 0) {
std::cerr << "Not every 'key' has a value in `values`." << std::endl;
}