fix unconvertible type error span

1 files changed, 4 insertions, 5 deletions

diff --git a/src/transform.rs b/src/transform.rs
index 69929cc..e8481bb 100644
--- a/src/transform.rs
+++ b/src/transform.rs
@@ -24,10 +24,9 @@ pub enum TransformError {
 
 impl AssocTypeConversions<'_> {
     pub fn parse_type_path(&self, type_: &mut Type) -> Result<TypeTransform, TransformError> {
-        let assoc_span = match iter_type(type_).filter_map(filter_map_assoc_paths).next() {
-            Some(path) => path.span(),
-            None => return Ok(TypeTransform::NoOp),
-        };
+        if !iter_type(type_).any(match_assoc_type) {
+            return Ok(TypeTransform::NoOp);
+        }
 
         if let Type::Reference(TypeReference {
             lifetime: None,
@@ -144,7 +143,7 @@ impl AssocTypeConversions<'_> {
 
         // the type contains an associated type but we
         // don't know how to deal with it so we abort
-        Err(TransformError::AssocTypeInUnsupportedType(assoc_span))
+        Err(TransformError::AssocTypeInUnsupportedType(type_.span()))
     }
 }