refactoring

1 files changed, 6 insertions, 13 deletions

diff --git a/nihil.guard/guard.ccm b/nihil.guard/guard.ccm
index 7b6cf66..84ff401 100644
--- a/nihil.guard/guard.ccm
+++ b/nihil.guard/guard.ccm
@@ -1,7 +1,4 @@
-/*
- * This source code is released into the public domain.
- */
-
+// This source code is released into the public domain.
 module;
 
 #include <concepts>
@@ -13,19 +10,15 @@ export module nihil.guard;
 
 namespace nihil {
 
-/*
- * guard: invoke a callable when this object is destroyed; this is similar to
- * scope_exit from the library fundamentals TS, which LLVM doesn't implement.
- */
+// guard: invoke a callable when this object is destroyed; this is similar to
+// scope_exit from the library fundamentals TS, which LLVM doesn't implement.
 export template<std::invocable F>
 struct guard final {
 	// Initialise the guard with a callable we will invoke later.
-	guard(F func) : m_func(std::move(func)) {}
+	explicit guard(F func) : m_func(std::move(func)) {}
 
-	/*
-	 * We are being destroyed, so call the callable.
-	 * If the callable throws, std::terminate() will be called.
-	 */
+	// We are being destroyed, so call the callable.
+	// If the callable throws, std::terminate() will be called.
 	~guard()
 	{
 		if (m_func)