Description
C++ library compare and manipulate versions are available as extensions to the ..-. format complying with Semantic Versioning 2.0.0
semver alternatives and similar libraries
Based on the "Containers" category.
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Hopscotch map
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LSHBOX
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function2
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C++ B-tree
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Optional Argument in C++
Named optional arguments in C++17
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README
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](LICENSE)
C++ library compare and manipulate versions are available as extensions to the <major>.<minor>.<patch>-<prerelease_type>.<prerelease_number> format complying with [Semantic Versioning 2.0.0](semver.org)
Features
- C++17
- Header-only
- Dependency-free
- Constexpr comparison: <, <=, ==, !=, > >=
- Constexpr from string
- Constexpr to string
[Examples](example/example.cpp)
- Create
constexpr version v1 = version{1, 2, 3, prerelease::rc, 4};
constexpr version v2 = v1;
- Сomparison
constexpr semver::version v1{1, 4, 3};
constexpr semver::version v2{1, 2, 4, semver::prerelease::alpha, 10};
static_assert(v1 != v2);
static_assert(v1 > v2);
static_assert(v1 >= v2);
static_assert(v2 < v1);
static_assert(v2 <= v1);
- To string
semver::version v{1, 2, 3, prerelease::rc, 4};
// To string.
std::string s1 = v.to_string(); // may throw.
// Non-member to string.
std::string s2 = semver::to_string(v); // may throw.
std::array<char, 32> str = {};
// constexpr to chars, like <https://en.cppreference.com/w/cpp/utility/to_chars>.
auto [p, ec] = v.to_chars(str.data(), str.data() + str.size()); // constexpr and no throw.
// Non-member constexpr to chars, like <https://en.cppreference.com/w/cpp/utility/to_chars>.
auto [p, ec] = semver::to_chars(str.data(), str.data() + str.size(), v); // constexpr and no throw.
- From string
std::string_view s = "1.2.3-rc.4";
// From chars.
semver::version v1{s}; // constexpr and may throw.
// User-defined literals '_version'.
semver::version v2 = "1.2.3-rc.4"_version; // constexpr and may throw.
// constexpr from_chars, like <https://en.cppreference.com/w/cpp/utility/from_chars>.
semver::version v3;
auto [p, ec] = v3.to_chars(str.data(), str.data() + str.size()); // constexpr and no throw.
// Non-member constexpr from chars, like <https://en.cppreference.com/w/cpp/utility/from_chars>.
semver::version v4;
auto [p, ec] = semver::to_chars(str.data(), str.data() + str.size(), v4); // constexpr and no throw.
// Non-member from string.
semver::version v5 = semver::from_string(s); // constexpr and may throw.
std::optional<version> v6 = semver::from_string_noexcept(s); // constexpr and no throw.
// From string.
semver::version v6;
v7.from_string(s); // constexpr and may throw.
bool success = v8.from_string_noexcept(s); // constexpr and no throw.
Integration
You should add required file [semver.hpp](include/semver.hpp).
If you are using vcpkg on your project for external dependencies, then you can use the neargye-semver package.
Alternatively, you can use something like CPM which is based on CMake's Fetch_Content module.
CPMAddPackage(
NAME semver
GITHUB_REPOSITORY Neargye/semver
GIT_TAG x.y.z # Where `x.y.z` is the release version you want to use.
)
Compiler compatibility
- Clang/LLVM >= 5
- MSVC++ >= 14.11 / Visual Studio >= 2017
- Xcode >= 10
- GCC >= 7
Licensed under the [MIT License](LICENSE)
*Note that all licence references and agreements mentioned in the semver README section above
are relevant to that project's source code only.