From 0ce18dc3c7c6200eaea645de0dbfe06fc327a52b Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Mon, 15 Nov 2021 16:28:26 +0100
Subject: [PATCH] feat: `std::format` usage enabled for VS2022

---
 conanfile.py                                 | 9 ++++++---
 example/glide_computer/glide_computer.cpp    | 2 +-
 src/core/include/units/bits/external/hacks.h | 2 ++
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/conanfile.py b/conanfile.py
index d383f49b..ae848677 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -63,9 +63,12 @@ class UnitsConan(ConanFile):
 
     @property
     def _use_libfmt(self):
-        # compiler = self.settings.compiler
-        # return compiler != "Visual Studio" and compiler != "msvc"  # TODO Enable when VS std::format_to(ctx.out, ...) is fixed
-        return True
+        compiler = self.settings.compiler
+        version = Version(self.settings.compiler.version)
+        std_support = \
+            (compiler == "Visual Studio" and version >= "17" and compiler.cppstd == 23) or \
+            (compiler == "msvc" and (version == "19.3" or version >= "19.30") and compiler.cppstd == 23)
+        return not std_support
 
     def set_version(self):
         content = tools.load(os.path.join(self.recipe_folder, "src/CMakeLists.txt"))
diff --git a/example/glide_computer/glide_computer.cpp b/example/glide_computer/glide_computer.cpp
index 4595609b..79d325c1 100644
--- a/example/glide_computer/glide_computer.cpp
+++ b/example/glide_computer/glide_computer.cpp
@@ -72,7 +72,7 @@ using namespace glide_computer;
 
 void print(std::string_view phase_name, timestamp start_ts, const glide_computer::flight_point& point, const glide_computer::flight_point& new_point)
 {
-  fmt::print(
+  std::cout << STD_FMT::format(
       "| {:<12} | {:>9%.1Q %q} (Total: {:>9%.1Q %q}) | {:>8%.1Q %q} (Total: {:>8%.1Q %q}) | {:>7%.0Q %q} ({:>6%.0Q %q}) |\n",
       phase_name, quantity_cast<si::minute>(new_point.ts - point.ts), quantity_cast<si::minute>(new_point.ts - start_ts),
       new_point.dist - point.dist, new_point.dist, new_point.alt - point.alt, new_point.alt);
diff --git a/src/core/include/units/bits/external/hacks.h b/src/core/include/units/bits/external/hacks.h
index 126d1b2b..821590f7 100644
--- a/src/core/include/units/bits/external/hacks.h
+++ b/src/core/include/units/bits/external/hacks.h
@@ -22,6 +22,8 @@
 
 #pragma once
 
+#include <version>
+
 #if __clang__
 #define UNITS_COMP_CLANG __clang_major__
 #elif __GNUC__