Move from failure to thiserror

Addresses issue deviceplug#48

Cargo.toml

@@ -29,8 +29,7 @@ num = "0.3.1"
 log = "0.4.13"
 enum_primitive = "0.1.1"
 bitflags = "1.2.1"
-failure = "0.1.8"
-failure_derive = "0.1.8"
+thiserror = "1.0.23"
 backtrace = "0.3.55"
 async-std = "1.9.0"
 uuid = "0.8.2"

src/api/mod.rs

@@ -28,6 +28,7 @@ use std::{
     fmt::{self, Debug, Display, Formatter},
     str::FromStr,
 };
+use thiserror::Error;
 
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 #[derive(Debug, Clone, Eq, PartialEq)]
@@ -94,11 +95,11 @@ impl Debug for BDAddr {
 
 type ParseBDAddrResult<T> = std::result::Result<T, ParseBDAddrError>;
 
-#[derive(Debug, Fail, Clone, PartialEq)]
+#[derive(Debug, Error, Clone, PartialEq)]
 pub enum ParseBDAddrError {
-    #[fail(display = "Bluetooth address has to be 6 bytes long")]
+    #[error("Bluetooth address has to be 6 bytes long")]
     IncorrectByteCount,
-    #[fail(display = "Malformed integer in Bluetooth address")]
+    #[error("Malformed integer in Bluetooth address")]
     InvalidInt,
 }
 
@@ -192,11 +193,11 @@ impl From<ParseUUIDError> for Error {
     }
 }
 
-#[derive(Debug, Fail, Clone, PartialEq)]
+#[derive(Debug, Error, Clone, PartialEq)]
 pub enum ParseUUIDError {
-    #[fail(display = "UUID has to be either 2 or 16 bytes long")]
+    #[error("UUID has to be either 2 or 16 bytes long")]
     IncorrectByteCount,
-    #[fail(display = "Malformed integer in UUID")]
+    #[error("Malformed integer in UUID")]
     InvalidInt,
 }
 

src/lib.rs

@@ -108,9 +108,7 @@ extern crate num;
 #[macro_use]
 extern crate bitflags;
 
-extern crate failure;
-#[macro_use]
-extern crate failure_derive;
+extern crate thiserror;
 
 use std::result;
 use std::time::Duration;
@@ -124,24 +122,24 @@ pub mod corebluetooth;
 #[cfg(target_os = "windows")]
 pub mod winrtble;
 
-#[derive(Debug, Fail, Clone)]
+#[derive(Debug, thiserror::Error, Clone)]
 pub enum Error {
-    #[fail(display = "Permission denied")]
+    #[error("Permission denied")]
     PermissionDenied,
 
-    #[fail(display = "Device not found")]
+    #[error("Device not found")]
     DeviceNotFound,
 
-    #[fail(display = "Not connected")]
+    #[error("Not connected")]
     NotConnected,
 
-    #[fail(display = "The operation is not supported: {}", _0)]
+    #[error("The operation is not supported: {}", _0)]
     NotSupported(String),
 
-    #[fail(display = "Timed out after {:?}", _0)]
+    #[error("Timed out after {:?}", _0)]
     TimedOut(Duration),
 
-    #[fail(display = "{}", _0)]
+    #[error("{}", _0)]
     Other(String),
 }