From 2ab76fd71fb3cb49747c0fb244ac775e503d7c24 Mon Sep 17 00:00:00 2001
From: Ricardo Delfin <me@rdelfin.com>
Date: Sat, 21 Jun 2025 17:42:31 +0100
Subject: [PATCH] Switched error to use thiserror

---
 rpos_drv/Cargo.toml    |  2 +-
 rpos_drv/src/errors.rs | 26 ++++++++++----------------
 2 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/rpos_drv/Cargo.toml b/rpos_drv/Cargo.toml
index e8d6cec..715945d 100644
--- a/rpos_drv/Cargo.toml
+++ b/rpos_drv/Cargo.toml
@@ -9,4 +9,4 @@ authors = ["Tony Huang <tony@slamtec.com>"]
 edition = "2018"
 
 [dependencies]
-failure = "0.1.5"
+thiserror = "2.0"
diff --git a/rpos_drv/src/errors.rs b/rpos_drv/src/errors.rs
index a1931d7..beedf8a 100644
--- a/rpos_drv/src/errors.rs
+++ b/rpos_drv/src/errors.rs
@@ -1,30 +1,24 @@
-pub use failure::{ Fail, Error };
-
-#[derive(Fail, Debug)]
+#[derive(thiserror::Error, Debug)]
 pub enum RposError {
     /// The execution of operation failed
-    #[fail(display="operation failed: {}", description)]
-    OperationFail {
-        description: String
-    },
+    #[error("operation failed: {}", description)]
+    OperationFail { description: String },
 
     /// The execution of operation is timed out
-    #[fail(display="operation timeout")]
+    #[error("operation timeout")]
     OperationTimeout,
 
     /// The device doesn't support this operation
-    #[fail(display="operation not support")]
+    #[error("operation not support")]
     OperationNotSupport,
 
     /// The decoding data is invalid according to current protocol
-    #[fail(display="protocol error: {}", description)]
-    ProtocolError {
-        description: String
-    },
+    #[error("protocol error: {}", description)]
+    ProtocolError { description: String },
 
     /// The buffer is too small for message encoding
-    #[fail(display="buffer is too small for message encoding")]
-    BufferTooSmall
+    #[error("buffer is too small for message encoding")]
+    BufferTooSmall,
 }
 
-pub type Result<T> = std::result::Result<T, Error>;
+pub type Result<T> = std::result::Result<T, RposError>;