[ox/claw] Add writeClaw Writer_c variant

deps/oxlib/src/claw/include/ox/claw/write.hpp

@@ -120,4 +120,25 @@ Result<Buffer> writeClaw(
 	return out;
 }
 
+Error writeClaw(
+		auto const &obj,
+		Writer_c auto &writer,
+		ClawFormat const fmt = ClawFormat::Metal) noexcept {
+	OX_RETURN_ERROR(detail::writeClawHeader(writer, &obj, fmt));
+#ifdef OX_USE_STDLIB
+	if (fmt == ClawFormat::Metal) {
+		OX_RETURN_ERROR(writeMC(writer, obj));
+	} else if (fmt == ClawFormat::Organic) {
+		OX_REQUIRE(data, writeOC(obj));
+		OX_RETURN_ERROR(writer.write(data.data(), data.size()));
+	}
+#else
+	if (fmt != ClawFormat::Metal) {
+		return ox::Error(1, "OC is not supported in this build");
+	}
+	OX_RETURN_ERROR(writeMC(writer, obj));
+#endif
+	return {};
+}
+
 }