From 5729a5aa1b443e3e25f3e14dee29636d3b31a6f8 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 18 Oct 2020 21:09:21 +0800
Subject: ...

---
 include/cru/common/Format.hpp | 23 +++++++++++++++++++++++
 include/cru/common/Logger.hpp |  2 ++
 2 files changed, 25 insertions(+)
 create mode 100644 include/cru/common/Format.hpp

(limited to 'include/cru/common')

diff --git a/include/cru/common/Format.hpp b/include/cru/common/Format.hpp
new file mode 100644
index 00000000..59f34036
--- /dev/null
+++ b/include/cru/common/Format.hpp
@@ -0,0 +1,23 @@
+#pragma once
+#include "Base.hpp"
+
+#include "StringUtil.hpp"
+
+#include <array>
+#include <charconv>
+#include <string>
+#include <string_view>
+#include <system_error>
+#include <type_traits>
+
+namespace cru {
+template <typename T, typename = std::enable_if_t<std::is_arithmetic_v<T>>>
+std::u16string ToUtf16String(T number) {
+  std::array<char, 40> buffer;
+  auto result =
+      std::to_chars(buffer.data(), buffer.data() + buffer.size(), number);
+  Ensures(result.ec == std::errc());
+  std::string_view utf8_result(buffer.data(), result.ptr - buffer.data());
+  return ToUtf16(utf8_result);
+}
+}  // namespace cru
diff --git a/include/cru/common/Logger.hpp b/include/cru/common/Logger.hpp
index 4ea17c09..daf2e7d2 100644
--- a/include/cru/common/Logger.hpp
+++ b/include/cru/common/Logger.hpp
@@ -40,6 +40,7 @@ class Logger : public Object {
   std::list<std::unique_ptr<ILogSource>> sources_;
 };
 
+// TODO: Remove argument evaluation in Debug.
 template <typename... TArgs>
 void Debug([[maybe_unused]] TArgs&&... args) {
 #ifdef CRU_DEBUG
@@ -66,6 +67,7 @@ void Error(TArgs&&... args) {
                              fmt::format(std::forward<TArgs>(args)...));
 }
 
+// TODO: Remove argument evaluation in Debug.
 template <typename... TArgs>
 void TagDebug([[maybe_unused]] std::u16string_view tag,
               [[maybe_unused]] TArgs&&... args) {
-- 
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