From edce20642b6d177ee9877775cbfa9e05ebb4e404 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Tue, 2 Aug 2022 23:31:21 +0200
Subject: Replace maybe_make.

It seems unnecessary to throw exceptions when simply checking whether
a library exists.
---
 c/common.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'c/common.cpp')

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);
-- 
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