Typeclasses_errorstype typeclass_error = | NotAClass of EConstr.constr| UnboundMethod of Names.GlobRef.t * Names.lidentClass name, method
*)exception TypeClassError of Environ.env * Evd.evar_map * typeclass_errorval typeclass_error : Environ.env -> Evd.evar_map -> typeclass_error -> 'aval not_a_class : Environ.env -> Evd.evar_map -> EConstr.constr -> 'aval unbound_method :
Environ.env ->
Evd.evar_map ->
Names.GlobRef.t ->
Names.lident ->
'a