Add range-v3 library.

README.md

@@ -35,6 +35,7 @@ The source code is published under GPLv3 with OpenSSL exception, the license is
 * FFmpeg ([LGPL](https://www.ffmpeg.org/legal.html))
 * Guideline Support Library ([MIT License](https://github.com/Microsoft/GSL/blob/master/LICENSE))
 * Mapbox Variant ([BSD License](https://github.com/mapbox/variant/blob/master/LICENSE))
+* Range-v3 ([Boost License](https://github.com/ericniebler/range-v3/blob/master/LICENSE.txt))
 * Open Sans font ([Apache License 2.0](http://www.apache.org/licenses/LICENSE-2.0.html))
 * Emoji alpha codes ([MIT License](https://github.com/emojione/emojione/blob/master/extras/alpha-codes/LICENSE.md))
 * Catch test framework ([Boost License](https://github.com/philsquared/Catch/blob/master/LICENSE.txt))

Telegram/SourceFiles/stdafx.h

@@ -62,6 +62,7 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 #include <map>
 #include <algorithm>
 #include <memory>
+#include <range/v3/all.hpp>
 
 // Ensures/Expects.
 #include <gsl/gsl_assert>

Telegram/gyp/Telegram.gyp

@@ -102,6 +102,7 @@
       '<(libs_loc)/ffmpeg',
       '<(libs_loc)/openal-soft/include',
       '<(libs_loc)/opus/include',
+      '<(libs_loc)/range-v3/include',
       '<(minizip_loc)',
       '<(sp_media_key_tap_loc)',
       '<(emoji_suggestions_loc)',

docs/building-cmake.md

@@ -33,6 +33,8 @@ Go to ***BuildPath*** and run
     mkdir Libraries
     cd Libraries
 
+    git clone https://github.com/ericniebler/range-v3
+
     git clone https://github.com/telegramdesktop/zlib.git
     cd zlib
     ./configure

docs/building-msvc.md

@@ -51,6 +51,8 @@ Open **x86 Native Tools Command Prompt for VS 2017.bat**, go to ***BuildPath***
     mkdir Libraries
     cd Libraries
 
+    git clone https://github.com/Microsoft/Range-V3-VS2015 range-v3
+
     git clone https://github.com/telegramdesktop/lzma.git
     cd lzma\C\Util\LzmaLib
     msbuild LzmaLib.sln /property:Configuration=Debug

docs/building-xcode.md

@@ -20,6 +20,8 @@ Go to ***BuildPath*** and run
 
     cd Libraries
 
+    git clone https://github.com/ericniebler/range-v3
+
     cd xz-5.0.5
     ./configure
     make