CLI11
C++ Format
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CLI11 | C++ Format | |
---|---|---|
12 | 161 | |
3,087 | 19,307 | |
2.9% | 1.6% | |
8.5 | 9.8 | |
6 days ago | 7 days ago | |
C++ | C++ | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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.
CLI11
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C++ Game Utility Libraries: for Game Dev Rustaceans
Book: CLI11 book
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Command line interface library
The most feature-rich C++ CLI library is CLI11. Other popular choices include Boost.ProgramOptions, argparse, cxxopts and others.
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Create Elegant C++ Spatial Processing Pipelines in WebAssembly
CLI11 provides all the features you expect in a powerful command line parser, with a beautiful, minimal syntax and no dependencies beyond C++11. itk-wasm enhances CLI11 with a itk::wasm::Pipeline wrapper to support efficient execution in multiple Wasm contexts, scientific data structures, and lovely colorized help output 🥰.
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CLI11 is making all the other options libraries look bad, does anyone have a comparison from experience?
Does anyone have feedback on the possible problems with CLI11 and comparisons to any other thing available in the wild not limited to the choices I tried before? Looks like a very well-thought out library according to its documentation: https://cliutils.github.io/CLI11/book/
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Creating a CLI in C++
I'd recommend to use CLI11. I was baffled by how much it can do.
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3 Ways To Parse Command Line Arguments in C++: Quick, Do-It-Yourself, Or Comprehensive
I use https://github.com/jarro2783/cxxopts.git or https://github.com/CLIUtils/CLI11, or if boost is involved anyway, boost.program_options.
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Carregando dependências em projetos C++ usando o CMake
get_dependency(spdlog "https://github.com/gabime/spdlog" v1.8.5) get_dependency(CLI11 "https://github.com/CLIUtils/CLI11" v1.9.1) get_dependency(GoogleTest "https://github.com/google/googletest" master)
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cmdlime - possibly the least verbose command line parsing library for C++17
Maybe https://github.com/CLIUtils/CLI11? I really like this one and it looks like it supports TOML
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Why no standard library support for command line parsing?
I found https://github.com/jarro2783/cxxopts to be useful and https://github.com/CLIUtils/CLI11 to be really helpful if you need an non-trivial interface.
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]
0. https://fmt.dev
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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).
What are some alternatives?
jarro2783/cxxopts - Lightweight C++ command line option parser
spdlog - Fast C++ logging library.
clipp - easy to use, powerful & expressive command line argument parsing for modern C++ / single header / usage & doc generation
Better Enums - C++ compile-time enum to string, iteration, in a single header file
gflags - The gflags package contains a C++ library that implements commandline flags processing. It includes built-in support for standard types such as string and the ability to define flags in the source file in which they are used. Online documentation available at:
ZXing - ZXing ("Zebra Crossing") barcode scanning library for Java, Android
args - A simple header-only C++ argument parser library. Supposed to be flexible and powerful, and attempts to be compatible with the functionality of the Python standard argparse library (though not necessarily the API).
FastFormat - The fastest, most robust C++ formatting library
Boost.Program_options - Boost.org program_options module
ZBar - Clone of the mercurial repository http://zbar.hg.sourceforge.net:8000/hgroot/zbar/zbar
Vcpkg - C++ Library Manager for Windows, Linux, and MacOS
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