refactor: add deserializer error wrapper

2 files changed, 42 insertions, 4 deletions

diff --git a/src/command.rs b/src/command.rs
index 2ba92ea..5d3c935 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -9,6 +9,7 @@ use crate::deserialization::{
     IgnoreEnd,
     ResultExt,
 };
+use crate::DeserializationError;
 
 /// A command.
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -88,7 +89,15 @@ pub enum Error
 
     /// Deserialization failed.
     #[error("Deserialization failed")]
-    DeserializationFailed(#[from] DeserializerError),
+    DeserializationFailed(#[from] DeserializationError),
+}
+
+impl From<DeserializerError> for Error
+{
+    fn from(err: DeserializerError) -> Self
+    {
+        DeserializationError(err).into()
+    }
 }
 
 /// A command prototype.
@@ -160,7 +169,15 @@ pub enum PrototypeError
 
     /// Deserialization failed.
     #[error("Deserialization failed")]
-    DeserializationFailed(#[from] DeserializerError),
+    DeserializationFailed(#[from] DeserializationError),
+}
+
+impl From<DeserializerError> for PrototypeError
+{
+    fn from(err: DeserializerError) -> Self
+    {
+        DeserializationError(err).into()
+    }
 }
 
 /// A command parameter.
@@ -228,7 +245,15 @@ pub enum ParameterError
 
     /// Deserialization failed.
     #[error("Deserialization failed")]
-    DeserializationFailed(#[from] DeserializerError),
+    DeserializationFailed(#[from] DeserializationError),
+}
+
+impl From<DeserializerError> for ParameterError
+{
+    fn from(err: DeserializerError) -> Self
+    {
+        DeserializationError(err).into()
+    }
 }
 
 fn deserialize_type<Err>(deserializer: &mut impl Deserializer) -> Result<String, Err>
diff --git a/src/lib.rs b/src/lib.rs
index f3bbc54..68af8ae 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -153,5 +153,18 @@ pub enum RegistryError
 
     /// Deserialization failed.
     #[error("Deserialization failed")]
-    DeserializationFailed(#[from] DeserializerError),
+    DeserializationFailed(#[from] DeserializationError),
 }
+
+impl From<DeserializerError> for RegistryError
+{
+    fn from(err: DeserializerError) -> Self
+    {
+        DeserializationError(err).into()
+    }
+}
+
+/// Deserialization error.
+#[derive(Debug, thiserror::Error)]
+#[error(transparent)]
+pub struct DeserializationError(#[from] DeserializerError);