diff options
| -rw-r--r-- | gnu/packages/cpp.scm | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm index 139a2b92e0..7d3db8ea9b 100644 --- a/gnu/packages/cpp.scm +++ b/gnu/packages/cpp.scm @@ -2696,3 +2696,36 @@ a hash set which preserve the order of insertion. It is intended for efficient ordered insertions and lookup, while sacrifing performance for ordered erase operations.") (license license:expat))) + +(define-public tl-optional + (package + (name "tl-optional") + (version "1.1.0") + (source (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/TartanLlama/optional") + (commit (string-append "v" version)))) + (file-name (git-file-name name version)) + (sha256 + (base32 + "0qkjplmhilbi1iqxx3pz0grcx5355ymk6wwd4h4309mk156xgx2q")))) + (build-system cmake-build-system) + (arguments + (list + #:phases + #~(modify-phases %standard-phases + (add-after 'unpack 'patch-cmake-test + (lambda _ + (substitute* "CMakeLists.txt" + (("FetchContent_Declare.*") "") + ((".*http.*catchorg/Catch2.*") "") + (("FetchContent_MakeAvailable\\(Catch2\\)") + "find_package(Catch2 REQUIRED)"))))))) + (native-inputs (list catch2)) + (home-page "https://github.com/TartanLlama/optional") + (synopsis "Implementation of std::optional with extensions for C++11/14/17") + (description "@code{tl::optional} provides a single-header implementation of +the std::optional for C++11/14/17, with support for monadic operations added in +C++23.") + (license license:cc0))) |