Floating.Contexttype ('a, 'w) t = | Structure_item : (Astlib.Ast_500.Parsetree.structure_item,
[> `structure_item ])
t| Signature_item : (Astlib.Ast_500.Parsetree.signature_item,
[> `signature_item ])
tval location : ('a, 'b) t -> 'a -> Astlib.Location.t