C++ Format
cmake-conan
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C++ Format | cmake-conan | |
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161 | 18 | |
19,262 | 790 | |
1.4% | 1.4% | |
9.8 | 8.2 | |
4 days ago | 16 days ago | |
C++ | Python | |
GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
C++ Format
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C++ left arrow operator (2016)
Continuation passing monads form the basis of a perfectly valid and usable software architecture and programming pattern.
In the case of ostream and operator<<, this pattern reduces the number of intermediate objects that would otherwise be constructed.
If you object to iostream on religious or stylistic grounds, there's always fmt which is more like Go or Python string interpolation.[0]
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C++ Game Utility Libraries: for Game Dev Rustaceans
GitHub repo: fmtlib/fmt
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Creating k-NN with C++ (from Scratch)
cmake_minimum_required(VERSION 3.5) project(knn_cpp CXX) # Set up C++ version and properties include(CheckIncludeFileCXX) check_include_file_cxx(any HAS_ANY) check_include_file_cxx(string_view HAS_STRING_VIEW) check_include_file_cxx(coroutine HAS_COROUTINE) set(CMAKE_CXX_STANDARD 20) set(CMAKE_BUILD_TYPE Debug) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) # Copy data file to build directory file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/iris.data DESTINATION ${CMAKE_CURRENT_BINARY_DIR}) # Download library usinng FetchContent include(FetchContent) FetchContent_Declare(matplotplusplus GIT_REPOSITORY https://github.com/alandefreitas/matplotplusplus GIT_TAG origin/master) FetchContent_GetProperties(matplotplusplus) if(NOT matplotplusplus_POPULATED) FetchContent_Populate(matplotplusplus) add_subdirectory(${matplotplusplus_SOURCE_DIR} ${matplotplusplus_BINARY_DIR} EXCLUDE_FROM_ALL) endif() FetchContent_Declare( fmt GIT_REPOSITORY https://github.com/fmtlib/fmt.git GIT_TAG 7.1.3 # Adjust the version as needed ) FetchContent_MakeAvailable(fmt) # Add executable and link project libraries and folders add_executable(${PROJECT_NAME} main.cc) target_link_libraries(${PROJECT_NAME} PUBLIC matplot fmt::fmt) aux_source_directory(lib LIB_SRC) target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}) target_sources(${PROJECT_NAME} PRIVATE ${LIB_SRC}) add_subdirectory(tests)
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Optimizing the unoptimizable: a journey to faster C++ compile times
Good catch, thanks! Fixed now. This explains why the difference was kinda low compared to another benchmark: https://github.com/fmtlib/fmt?tab=readme-ov-file#compile-tim....
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Learn Modern C++
> This is from C++23, right?
std::println is, yes.
> I wonder how available this is within compilers
https://en.cppreference.com/w/cpp/compiler_support says clang, gcc, and msvc all support it, though I don't know how recent those versions are off the top of my head.
In my understanding, with this specific feature, if you want a polyfill for older compilers, or to use some more cutting-edge features that haven't been standardized yet, https://github.com/fmtlib/fmt is available to you.
- The C++20 Naughty and Nice List for Game Devs
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For processing strings, streams in C++ can be slow
{fmt} has internal buffering but it's not yet exposed to users. There is a feature request for it: https://github.com/fmtlib/fmt/issues/2354. FILE buffering is not too bad but it can be easily optimized: https://www.zverovich.net/2020/08/04/optimal-file-buffer-siz....
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adoption of fmt based logging
Automatic use of operator<< when that exists was present in fmt until version 9.0.0. In version 9 you could use FMT_DEPRECATED_OSTREAM to opt in the old behaviour, but this too was removed in version 10.0.0. Now there is no way to automatically use operator<<.
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What's your favorite c++20 feature that should've been there 10 years ago?
You can install it https://github.com/fmtlib/fmt
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Codebases to read
Additionally, if you like low level stuff, check out libfmt (https://github.com/fmtlib/fmt) - not a big project, not difficult to understand. Or something like simdjson (https://github.com/simdjson/simdjson).
cmake-conan
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Conan Unrecongnized commands error
-- The CXX compiler identification is GNU 9.4.0-- The C compiler identification is GNU 9.4.0 -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Setting build type to 'RelWithDebInfo' as none was specified. -- /usr/local/bin/ccache found and enabled -- Downloading conan.cmake from https://github.com/conan-io/cmake-conan -- Conan: Adding cci remote repository (https://center.conan.io) verify ssl (True) usage: conan remote [-h] [-v [V]] {add,auth,disable,enable,list,list-users,login,logout,remove,rename,set-user,update} ... conan remote: error: unrecognized arguments: https://center.conan.io True ERROR: Exiting with code: 2 CMake Error at build/conan.cmake:858 (message): Conan remote failed='2' Call Stack (most recent call first): build/_deps/_project_options-src/src/Conan.cmake:20 (conan_add_remote) build/_deps/_project_options-src/src/Index.cmake:182 (run_conan) build/_deps/_project_options-src/src/DynamicProjectOptions.cmake:132 (project_options) CMakeLists.txt:79 (dynamic_project_options)-- Configuring incomplete, errors occurred! See also "/home/user/Desktop/bitwyre/trading/intermediaries/cram_cpp_v3/build/CMakeFiles/CMakeOutput.log".
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CMake+Conan2 project template example repositories?
Some pure conan options, there's a 2.0 super early developer preview for https://github.com/conan-io/cmake-conan/tree/develop2
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vcpkg vs conan
https://github.com/conan-io/cmake-conan/tree/develop2 might interest you :) we love feedback
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Conan package manager completely broken after 2.0 release
I totally agree with you. Have a look at the new cmake-conan integration using Dependency Provider in the develop2 branch : https://github.com/conan-io/cmake-conan/tree/develop2
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Conan 2.0, the new version of the open-source C and C++ package manager
I've always used conan together with the conan cmake module
- Use cmake to install dependency libraries?
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Debug Conan recipes in VS Code
using conan from within cmake you can use this https://github.com/conan-io/cmake-conan, or just write your own execute process way of calling it . https://cmake.org/cmake/help/latest/command/execute_process.html
- CMake + Poco + FetchContent build options problem
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Where should I store a C++ header file that I want to use for multiple Visual Studio projects?
See https://github.com/conan-io/cmake-conan for a neat wrapper that I use in almost all my projects
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Best way to manage dependencies with c++?
I always wanted to try to use cmake-conan so I could let Conan grab all packages but have a neat cmake script being in charge of what gets built when. Also, this would allow me to easily switch between CMake fetchcontent and Conan packages that may or may not be stashed automatically on a local Artifactory server. Secondly, since now all build requirements are stashed on a server and binary reproducible, you could concider adding icecream and ccache into the mix. (Try running a node one of your buildservers for massive speadups with icecream) This however does require a reproducible build environment (by configure script) which conan again is really good in.
What are some alternatives?
spdlog - Fast C++ logging library.
CPM.cmake - 📦 CMake's missing package manager. A small CMake script for setup-free, cross-platform, reproducible dependency management.
Better Enums - C++ compile-time enum to string, iteration, in a single header file
Raylib-Basic-Project
ZXing - ZXing ("Zebra Crossing") barcode scanning library for Java, Android
POCO - The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.
FastFormat - The fastest, most robust C++ formatting library
conan - Conan - The open-source C and C++ package manager
ZBar - Clone of the mercurial repository http://zbar.hg.sourceforge.net:8000/hgroot/zbar/zbar
boost-cmake - Easy Boost integration in CMake projects
Scintilla
hunter - CMake driven cross-platform package manager for C/C++.