From 8157678eba97d7de5c53b424a9866d327392bbd9 Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Mon, 31 May 2021 12:27:58 -0700
Subject: Fix standard incompetence found by MSVC - requires-expression still
 not working, because they aren't supported yet outside of a concept

---
 core/src/Model/Workflow/Values/BasicValues.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'core/src/Model/Workflow/Values')

diff --git a/core/src/Model/Workflow/Values/BasicValues.cpp b/core/src/Model/Workflow/Values/BasicValues.cpp
index a7cf635..748c652 100644
--- a/core/src/Model/Workflow/Values/BasicValues.cpp
+++ b/core/src/Model/Workflow/Values/BasicValues.cpp
@@ -14,14 +14,13 @@ NumericValue::NumericValue()
 {
 }
 
-template <class T>
+template <class T, int kMaxSize>
 static std::string NumberToString(T value)
 {
-	constexpr auto kSize = std::numeric_limits<T>::max_digits10;
-	char buf[kSize];
+	char buf[kMaxSize];
 
 #if PLATFORM_WIN32
-	auto res = std::to_chars(buf, buf + kSize, value);
+	auto res = std::to_chars(buf, buf + kMaxSize, value);
 	if (res.ec == std::errc()) {
 		return std::string(buf, res.ptr);
 	} else {
@@ -35,17 +34,20 @@ static std::string NumberToString(T value)
 
 std::string NumericValue::GetTruncatedString() const
 {
-	return ::NumberToString((int64_t)mValue);
+	constexpr auto kMaxSize = std::numeric_limits<int64_t>::digits10;
+	return ::NumberToString<int64_t, kMaxSize>((int64_t)mValue);
 }
 
 std::string NumericValue::GetRoundedString() const
 {
-	return ::NumberToString((int64_t)std::round(mValue));
+	constexpr auto kMaxSize = std::numeric_limits<int64_t>::digits10;
+	return ::NumberToString<int64_t, kMaxSize>((int64_t)std::round(mValue));
 }
 
 std::string NumericValue::GetString() const
 {
-	return ::NumberToString(mValue);
+	constexpr auto kMaxSize = std::numeric_limits<double>::max_digits10;
+	return ::NumberToString<double, kMaxSize>(mValue);
 }
 
 int64_t NumericValue::GetInt() const
-- 
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