reorganize input format: make constructors lazy, parse members on get

src/client/connection/response/input/error.rs

@@ -1,23 +1,40 @@
-use std::{
-    fmt::{Display, Formatter, Result},
-    str::Utf8Error,
-};
+use std::fmt::{Display, Formatter, Result};
 
 #[derive(Debug)]
 pub enum Error {
+    Default(super::default::Error),
+    FirstByte(u8),
     Protocol,
-    Utf8Error(Utf8Error),
+    SecondByte(u8),
+    Sensitive(super::sensitive::Error),
+    UndefinedFirstByte,
+    UndefinedSecondByte,
 }
 
 impl Display for Error {
     fn fmt(&self, f: &mut Formatter) -> Result {
         match self {
-            Self::Utf8Error(e) => {
-                write!(f, "UTF-8 error: {e}")
+            Self::Default(e) => {
+                write!(f, "Default parse error: {e}")
+            }
+            Self::FirstByte(b) => {
+                write!(f, "Unexpected first byte: {b}")
             }
             Self::Protocol => {
                 write!(f, "Protocol error")
             }
+            Self::SecondByte(b) => {
+                write!(f, "Unexpected second byte: {b}")
+            }
+            Self::Sensitive(e) => {
+                write!(f, "Sensitive parse error: {e}")
+            }
+            Self::UndefinedFirstByte => {
+                write!(f, "Undefined first byte")
+            }
+            Self::UndefinedSecondByte => {
+                write!(f, "Undefined second byte")
+            }
         }
     }
 }