feat(render): experimental package to render arbitrary values to different formats

binary.go

@@ -0,0 +1,34 @@
+package render
+
+import (
+	"encoding"
+	"fmt"
+	"io"
+)
+
+// Binary can render values which implment the encoding.BinaryMarshaler
+// interface.
+type Binary struct{}
+
+var _ Renderer = (*Binary)(nil)
+
+// Render writes result of calling MarshalBinary() on v. If v does not implment
+// encoding.BinaryMarshaler the ErrCannotRander error will be returned.
+func (bm *Binary) Render(w io.Writer, v any) error {
+	x, ok := v.(encoding.BinaryMarshaler)
+	if !ok {
+		return ErrCannotRender
+	}
+
+	b, err := x.MarshalBinary()
+	if err != nil {
+		return fmt.Errorf("%w: %w", Err, err)
+	}
+
+	_, err = w.Write(b)
+	if err != nil {
+		return fmt.Errorf("%w: %w", Err, err)
+	}
+
+	return nil
+}