[ox/std] Add lastIndexOf(StringView, char)

(synced from 5cbf789374)

src/ox/std/strops.hpp

@@ -132,4 +132,15 @@ constexpr ox::Vector<ox::StringView, smallSz> split(CRStringView str, CRStringVi
 	return out;
 }
 
+[[nodiscard]]
+constexpr ox::Result<std::size_t> lastIndexOf(ox::CRStringView str, int character) noexcept {
+	ox::Result<std::size_t> retval = OxError(1, "Character not found");
+	for (auto i = static_cast<int>(str.bytes() - 1); i >= 0; --i) {
+		if (str[static_cast<std::size_t>(i)] == character) {
+			retval = static_cast<std::size_t>(i);
+		}
+	}
+	return retval;
+}
+
 }