Replace maybe_make.

It seems unnecessary to throw exceptions when simply checking whether
a library exists.

1 files changed, 10 insertions, 0 deletions

diff --git a/c/common.cpp b/c/common.cpp
index fcf1da2..5d786da 100644
--- a/c/common.cpp
+++ b/c/common.cpp
@@ -1,3 +1,4 @@
+#include <utility>
 #include <windows.h>
 
 #include "common.h"
@@ -104,6 +105,15 @@ const wchar_t* Win32Error::WhatW() const noexcept
 
 /* Library: Wrapper for loading and freeing dynamically linked libraries. */
 
+std::optional<Library> Library::Maybe(const wchar_t* const lib)
+{
+	HMODULE hModule = LoadLibrary(lib);
+	if (!hModule) return {};
+	return Library(hModule);
+}
+
+Library::Library(const HMODULE hModule) : m_hModule(hModule) {}
+
 Library::Library(const wchar_t* const lib)
 {
 	m_hModule = LoadLibrary(lib);