refactor: mark errors as non_exhaustive

It should allow to introduce new error variants without breaking changes

BREAKING_CHANGE: requires to specify irrefutable pattern for pattern matching in order to exhaust any possible variants

src/sdk/error.rs

@@ -4,27 +4,31 @@ use custom_error::custom_error;
 
 custom_error! {
   /// Errors generated by the MysticLight SDK, see [SDK docs](https://www.msi.com/Landing/mystic-light-rgb-gaming-pc/download)
-pub MysticLightSDKError
-  Generic = "Generic error",
-  /// This error will raise in case of insufficient rights as well (run as an administrator)
-  Timeout = "Request is timeout",
-  NotImplemented = "MSI Application not found or installed version not supported",
-  NotInitialized = "MSI Application was not initialized",
-  InvalidArgument = "The parameter value is not valid",
-  DeviceNotFound = "The device not found",
-  NotSupported = "Requested feature is not supported in the selected LED",
-  Unknown = "Unknown error",
+  #[non_exhaustive]
+  pub MysticLightSDKError
+    Generic = "Generic error",
+    /// This error will raise in case of insufficient rights as well (run as an administrator)
+    Timeout = "Request is timeout",
+    NotImplemented = "MSI Application not found or installed version not supported",
+    NotInitialized = "MSI Application was not initialized",
+    InvalidArgument = "The parameter value is not valid",
+    DeviceNotFound = "The device not found",
+    NotSupported = "Requested feature is not supported in the selected LED",
+    Unknown = "Unknown error",
 }
 
 custom_error! {
-    /// Errors for bad sdk usage
-pub UsageError
-    /// Tried to set style that is not supported by current device
-    NotSupportedStyle{style: String, supported_styles: String} = "{style} is not in the supported style list: {supported_styles}"
+  /// Errors for bad sdk usage
+  #[non_exhaustive]
+  pub UsageError
+      /// Tried to set style that is not supported by current device
+      #[non_exhaustive]
+      NotSupportedStyle{style: String, supported_styles: String} = "{style} is not in the supported style list: {supported_styles}"
 }
 
 custom_error! {
-    /// CommonError that may happen during usage of this library
+  /// CommonError that may happen during usage of this library
+  #[non_exhaustive]
 pub CommonError
     SdkError{source: MysticLightSDKError} = "SdkError({source})",
     LibraryError{source: LibLoadingError} = "LibraryError({source})",