gsl-lite: add package (#2525)

packages/g/gsl-lite/xmake.lua

@@ -0,0 +1,23 @@
+package("gsl-lite")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/gsl-lite/gsl-lite")
+    set_description("gsl-lite – A single-file header-only version of ISO C++ Guidelines Support Library (GSL) for C++98, C++11, and later")
+    set_license("MIT")
+
+    add_urls("https://github.com/gsl-lite/gsl-lite/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/gsl-lite/gsl-lite.git")
+
+    add_versions("v0.41.0", "4682d8a60260321b92555760be3b9caab60e2a71f95eddbdfb91e557ee93302a")
+
+    add_deps("cmake")
+
+    on_install(function (package)
+        import("package.tools.cmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <gsl/gsl-lite.hpp>
+            void test(gsl::not_null<int*> p) {}
+        ]]}, {configs = {languages = "c++11"}}))
+    end)