Squashed 'deps/nostalgia/' changes from c90a8449..050339ba

050339ba [nostalgia] Update developer-handbook
45ec39f7 [ox/std] Add Result::orVal
319fbb26 [nostalgia] Add .lldbinit
f43d97a1 [nostalgia] Add missing type descriptors
a0974637 [nostalgia] Add missing test tilesheets

git-subtree-dir: deps/nostalgia
git-subtree-split: 050339ba09966cb9fa04747ee7bad3258bd42e55

deps/ox/src/ox/std/error.hpp

@@ -264,6 +264,54 @@ struct [[nodiscard]] Result {
 		return f(std::move(value));
 	}
 
+	/**
+	 * Returns parameter alt if Result contains an error.
+	 * @param alt
+	 * @return value of Result or alt
+	 */
+	constexpr T orVal(T &&alt) & noexcept {
+		if (error) {
+			return std::move(alt);
+		}
+		return value;
+	}
+
+	/**
+	 * Returns parameter alt if Result contains an error.
+	 * @param alt
+	 * @return value of Result or alt
+	 */
+	constexpr T orVal(T &&alt) && noexcept {
+		if (error) {
+			return std::move(alt);
+		}
+		return std::move(value);
+	}
+
+	/**
+	 * Returns parameter alt if Result contains an error.
+	 * @param alt
+	 * @return value of Result or alt
+	 */
+	constexpr T orVal(T const&alt) & noexcept {
+		if (error) {
+			return alt;
+		}
+		return value;
+	}
+
+	/**
+	 * Returns parameter alt if Result contains an error.
+	 * @param alt
+	 * @return value of Result or alt
+	 */
+	constexpr T orVal(T const&alt) && noexcept {
+		if (error) {
+			return alt;
+		}
+		return std::move(value);
+	}
+
 };
 
 namespace detail {