# Pastebin Xecn7gdr hs-cimple/test/Language/Cimple/ASTSpec.hs:26:12: error: • Couldn't match type ‘NodeF lexeme’ with ‘Compose (AnnotF ()) (NodeF lexeme)’ Expected type: Node lexeme -> AnnotNode lexeme Actual type: Fix (Compose (AnnotF ()) (NodeF lexeme)) -> Fix (Compose (AnnotF ()) (NodeF lexeme)) • In the expression: Fix . fmap undefined . unFix In an equation for ‘addAnnot’: addAnnot = Fix . fmap undefined . unFix • Relevant bindings include addAnnot :: Node lexeme -> AnnotNode lexeme (bound at hs-cimple/test/Language/Cimple/ASTSpec.hs:26:1) | 26 | addAnnot = Fix . fmap undefined . unFix | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^