Add missing header

Author: Bill-hbrhbr

src/ystdlib/testlib/math.hpp

@@ -0,0 +1,14 @@
+#ifndef YSTDLIB_TESTLIB_MATH_HPP
+#define YSTDLIB_TESTLIB_MATH_HPP
+
+#include <concepts>
+
+namespace ystdlib::testlib {
+template <typename T>
+requires std::integral<T>
+[[nodiscard]] inline auto square(T x) -> T {
+    return x * x;
+}
+}  // namespace ystdlib::testlib
+
+#endif  // YSTDLIB_TESTLIB_MATH_HPP

taskfiles/deps.yaml

@@ -22,6 +22,5 @@ tasks:
     internal: true
     platforms:
       - "darwin"
-    dir: "{{.G_SCRIPT_DIR}}/lib_install/macos"
     cmds:
-      - "./install-all.sh"
+      - echo "Nothing to be installed for macOS."