basic get / set / delete / has

src/errors.rs

@@ -0,0 +1,21 @@
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum AppError {
+    #[error("An IO error occurred")]
+    Io(#[from] std::io::Error),
+    #[error("A TryGetError occurred")]
+    TryGet(#[from] bytes::TryGetError),
+    #[error("The buffer is missing data for a complete command")]
+    IncompleteCommandBuffer,
+    #[error("A Utf8Error occurred")]
+    FromUtf8(#[from] std::string::FromUtf8Error),
+    #[error("The command {0} was not recognized")]
+    UnknownCommand(String),
+    #[error("The specified key's length {0} exceeds the limit")]
+    KeyLength(usize),
+    #[error("Received no response")]
+    NoResponse,
+    #[error("Expected a different response for the executed command")]
+    InvalidCommandResponse,
+}