diff --git a/src/rcore.rs b/src/rcore.rs
index c59a577..def07a7 100644
--- a/src/rcore.rs
+++ b/src/rcore.rs
@@ -62,6 +62,8 @@ pub type Fctr<'a, Ctx, A> = <A as Mentionable<'a, Ctx>>::Fctr;
 /// Shorthand for the type of vaalues returned by [`Factory::deserialize`].
 pub type ParseResult<'a, Ctx, F> = Result<Mtbl<'a, Ctx, F>, <F as Factory<'a, Ctx>>::ParseError>;
 
+pub type ParseResultA<'a, Ctx, A> = Result<A, ParseErrorA<'a, Ctx, A>>;
+
 pub struct DeCtxT<'a: 'c, 'c, Ctx: Context<'a>> {
     deserializer: &'c mut dyn Deserializer,
     resolver: &'c Rc<dyn Resolver<'a, Ctx>>,