add package nowide (#1708)

* add package nowide

* fix errors in test snippet

* checks type instead of snippet

avoid external link errors

* Revert "checks type instead of snippet"

This reverts commit 0da03e02fc.

* fix link issue

* Update xmake.lua

* add mingw option

* simplify grammer

Co-authored-by: ruki <waruqi@gmail.com>

packages/n/nowide_standalone/xmake.lua

@@ -0,0 +1,29 @@
+package("nowide_standalone")
+    set_homepage("https://github.com/boostorg/nowide/tree/standalone")
+    set_description("C++ implementation of the Python Numpy library")
+    set_license("Boost Software License, Version 1.0")
+
+    add_urls("https://github.com/boostorg/nowide/releases/download/v$(version)/nowide_standalone_v$(version).tar.gz",
+             "https://github.com/boostorg/nowide/tree/standalone")
+    add_versions("11.2.0", "1869d176a8af389e4f7416f42bdd15d6a5db3c6e4ae77269ecb071a232304e1d")
+
+    add_deps("cmake")
+
+    if is_plat("windows", "mingw") then
+        add_syslinks("shell32")
+    end
+
+    on_install("windows", "macosx", "linux", "mingw", function (package)
+        import("package.tools.cmake").install(package)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <nowide/args.hpp>
+            int test(int argc, char **argv)
+            {
+                nowide::args _(argc, argv); // Must use an instance!
+                return argc;
+            }
+        ]]}))
+    end)