From 10d16f7b6d963c83fa6a0b32a757c16c70623689 Mon Sep 17 00:00:00 2001
From: Jan Willamowius <jan@willamowius.de>
Date: 周一, 22 4月 2019 01:39:28 +0800
Subject: [PATCH] pass by reference as performance optimization

---
 src/tools/license-generator/license-generator.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/tools/license-generator/license-generator.h b/src/tools/license-generator/license-generator.h
index 91bccea..361f263 100644
--- a/src/tools/license-generator/license-generator.h
+++ b/src/tools/license-generator/license-generator.h
@@ -23,7 +23,7 @@
 	LicenseGenerator();
 	static void printHelp(const char* prog_name, const po::options_description& options);
 	static po::options_description configureProgramOptions();
-	static vector<FullLicenseInfo> parseLicenseInfo(po::variables_map vm);
+	static vector<FullLicenseInfo> parseLicenseInfo(const po::variables_map& vm);
 	static void generateAndOutputLicenses(const po::variables_map& vm,
 			ostream& outputFile);
 	static string normalize_date(const std::string& s);

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