From 380233b727215ca0ffe026f8f938f47b096f60fa Mon Sep 17 00:00:00 2001
From: Asit Kumar Dhal <dhal.asitk@gmail.com>
Date: Sat, 17 Jun 2017 17:24:16 +0200
Subject: [PATCH] mend

---
 include/spdlog/details/logger_impl.h | 78 ++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/include/spdlog/details/logger_impl.h b/include/spdlog/details/logger_impl.h
index 9ea78eb4..2619ccf8 100644
--- a/include/spdlog/details/logger_impl.h
+++ b/include/spdlog/details/logger_impl.h
@@ -380,6 +380,84 @@ inline void spdlog::logger::critical(const wchar_t* fmt, const Args&... args)
 {
     log(level::critical, fmt, args...);
 }
+
+//
+// conditional logging
+//
+
+template <typename... Args>
+inline void spdlog::logger::log_if(const bool flag, level::level_enum lvl, const wchar_t* msg)
+{
+    if (flag)
+    {
+        log(lvl, msg);
+    }
+}
+
+template <typename... Args>
+inline void spdlog::logger::log_if(const bool flag, level::level_enum lvl, const wchar_t* fmt, const Args&... args)
+{
+    if (flag)
+    {
+        log(lvl, fmt, args);
+    }
+}
+
+template <typename... Args>
+inline void spdlog::logger::trace_if(const bool flag, const wchar_t* fmt, const Args&... args)
+{
+    if (flag)
+    {
+        log(level::trace, fmt, args...);
+    }
+}
+
+template <typename... Args>
+inline void spdlog::logger::debug_if(const bool flag, const wchar_t* fmt, const Args&... args)
+{
+    if (flag)
+    {
+        log(level::debug, fmt, args...);
+    }
+}
+
+template <typename... Args>
+inline void spdlog::logger::info_if(const bool flag, const wchar_t* fmt, const Args&... args)
+{
+    if (flag)
+    {
+        log(level::info, fmt, args...);
+    }
+}
+
+
+template <typename... Args>
+inline void spdlog::logger::warn_if(const bool flag, const wchar_t* fmt, const Args&... args)
+{
+    if (flag)
+    {
+        log(level::warn, fmt, args...);
+    }
+}
+
+template <typename... Args>
+inline void spdlog::logger::error_if(const bool flag, const wchar_t* fmt, const Args&... args)
+{
+    if (flag)
+    {
+        log(level::err, fmt, args...);
+    }
+}
+
+template <typename... Args>
+inline void spdlog::logger::critical_if(const bool flag, const wchar_t* fmt, const Args&... args)
+{
+    if (flag)
+    {
+        log(level::critical, fmt, args...);
+    }
+}
+
 #endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT