@@ -2118,6 +2118,39 @@ (define-public bitsery
(home-page "https://github.com/fraillt/bitsery")
(license license:expat)))
+(define-public function2
+ (package
+ (name "function2")
+ (version "4.2.2")
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/Naios/function2")
+ (commit version)
+ ;; Tests require to compile googletest with custom
+ ;; features.
+ (recursive? #t)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "1xayd46d19k2b4q8413kp0453wc2k4jbrq7fq9rilcgmdk9m5bmc"))))
+ (build-system cmake-build-system)
+ ;; The test size_match_layout fails on i586/i686. For more info:
+ ;; https://github.com/Naios/function2/issues/57
+ (arguments
+ (list #:tests? #f))
+ (synopsis "Improved implementations of std::function")
+ (description "This package provides the following implementations of
+std::function:
+@itemize
+@item copyable fu2::function
+@item move-only fu2::unique_function (capable of holding move only types)
+@item non-owning fu2::function_view (capable of referencing callables in a non
+owning way)
+@end itemize")
+ (home-page "https://naios.github.io/function2/")
+ (license license:boost1.0)))
+
(define-public cpp-mustache
(package
(name "cpp-mustache")