Add a lot of documentation

function_call_response.go

@@ -12,8 +12,11 @@ type FunctionCallResponse struct {
 	Result []byte
 }
 
+// Backend identifies this message as sendable by the PostgreSQL backend.
 func (*FunctionCallResponse) Backend() {}
 
+// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
+// type identifier and 4 byte message length.
 func (dst *FunctionCallResponse) Decode(src []byte) error {
 	if len(src) < 4 {
 		return &invalidMessageFormatErr{messageType: "FunctionCallResponse"}
@@ -35,6 +38,7 @@ func (dst *FunctionCallResponse) Decode(src []byte) error {
 	return nil
 }
 
+// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
 func (src *FunctionCallResponse) Encode(dst []byte) []byte {
 	dst = append(dst, 'V')
 	sp := len(dst)
@@ -52,6 +56,7 @@ func (src *FunctionCallResponse) Encode(dst []byte) []byte {
 	return dst
 }
 
+// MarshalJSON implements encoding/json.Marshaler.
 func (src *FunctionCallResponse) MarshalJSON() ([]byte, error) {
 	var formattedValue map[string]string
 	var hasNonPrintable bool