move common types to an internal package

This helps avoid import cycles.

1 files changed, 35 insertions, 0 deletions

diff --git a/internal/types/response.go b/internal/types/response.go
new file mode 100644
index 0000000..26dda05
--- /dev/null
+++ b/internal/types/response.go
@@ -0,0 +1,35 @@
+package types
+
+import "io"
+
+// Status is the integer status code of a response.
+type Status int
+
+// Response contains the data in a response over the small web.
+//
+// Because protocols have so many differences, this type represents a
+// greatest common denominator of request/response-oriented protocols.
+type Response struct {
+	// Status is the status code of the response.
+	Status Status
+
+	// Meta contains status-specific additional information.
+	Meta any
+
+	// Body is the response body, if any.
+	Body io.Reader
+}
+
+func (response *Response) Close() error {
+	if cl, ok := response.Body.(io.Closer); ok {
+		return cl.Close()
+	}
+	return nil
+}
+
+// ResponseReader is an object which can serialize a response to a protocol.
+type ResponseReader interface {
+	io.Reader
+	io.WriterTo
+	io.Closer
+}