simplify MethodError variants

1 files changed, 16 insertions, 15 deletions

diff --git a/src/parse_trait_sig.rs b/src/parse_trait_sig.rs
index 9542a69..825c425 100644
--- a/src/parse_trait_sig.rs
+++ b/src/parse_trait_sig.rs
@@ -27,11 +27,12 @@ pub enum MethodError {
     NonDispatchableMethod,
     AssocTypeInInputs,
     ImplTraitInInputs,
-    AssocTypeInUnsupportedReturnType,
-    UnconvertibleAssocTypeInFnInput,
-    UnconvertibleAssocTypeInTraitBound,
-    UnconvertibleAssocTypeInWhereClause,
-    UnconvertibleAssocType,
+
+    // TODO: wrap TransformError
+    AssocTypeWithoutDestType,
+    UnsupportedType,
+
+    UnconvertedAssocType,
 }
 
 fn filter_map_impl_trait(item: TypeOrPath) -> Option<&TypeImplTrait> {
@@ -71,11 +72,11 @@ pub fn parse_trait_signature(
     let return_type = match &mut signature.output {
         ReturnType::Type(_, og_type) => match type_converter.convert_type(og_type) {
             Ok(ret_type) => ret_type,
-            Err(TransformError::UnconvertibleAssocType(span)) => {
-                return Err((span, MethodError::UnconvertibleAssocType));
+            Err(TransformError::AssocTypeWithoutDestType(span)) => {
+                return Err((span, MethodError::AssocTypeWithoutDestType));
             }
-            Err(TransformError::AssocTypeInUnsupportedType(span)) => {
-                return Err((span, MethodError::AssocTypeInUnsupportedReturnType));
+            Err(TransformError::UnsupportedType(span)) => {
+                return Err((span, MethodError::UnsupportedType));
             }
         },
         ReturnType::Default => TypeTransform::NoOp,
@@ -193,7 +194,7 @@ mod tests {
 
         assert!(matches!(
             parse_trait_signature(&mut type1.sig, &Default::default()),
-            Err((_, MethodError::UnconvertibleAssocType))
+            Err((_, MethodError::AssocTypeWithoutDestType))
         ));
     }
 
@@ -258,7 +259,7 @@ mod tests {
 
         assert!(matches!(
             parse_trait_signature(&mut type1.sig, &Default::default()),
-            Err((_, MethodError::AssocTypeInUnsupportedReturnType))
+            Err((_, MethodError::UnsupportedType))
         ));
     }
 
@@ -271,7 +272,7 @@ mod tests {
 
         assert!(matches!(
             parse_trait_signature(&mut type1.sig, &Default::default()),
-            Err((_, MethodError::AssocTypeInUnsupportedReturnType))
+            Err((_, MethodError::UnsupportedType))
         ));
     }
 
@@ -284,7 +285,7 @@ mod tests {
 
         assert!(matches!(
             parse_trait_signature(&mut type1.sig, &Default::default()),
-            Err((_, MethodError::AssocTypeInUnsupportedReturnType))
+            Err((_, MethodError::UnsupportedType))
         ));
     }
 
@@ -297,7 +298,7 @@ mod tests {
 
         assert!(matches!(
             parse_trait_signature(&mut type1.sig, &Default::default()),
-            Err((_, MethodError::AssocTypeInUnsupportedReturnType))
+            Err((_, MethodError::UnsupportedType))
         ));
     }
 
@@ -349,7 +350,7 @@ mod tests {
 
         assert!(matches!(
             parse_trait_signature(&mut type1.sig, &Default::default()),
-            Err((_, MethodError::UnconvertibleAssocTypeInFnInput))
+            Err((_, MethodError::UnsupportedType))
         ));
     }
 }