Class type expressions
val mk : ?loc:loc -> ?attrs:attrs -> Parsetree.class_type_desc -> Parsetree.class_typeval attr : Parsetree.class_type -> Parsetree.attribute -> Parsetree.class_typeval constr : ?loc:loc -> ?attrs:attrs -> lid -> Parsetree.core_type list -> Parsetree.class_typeval signature : ?loc:loc -> ?attrs:attrs -> Parsetree.class_signature -> Parsetree.class_typeval arrow : ?loc:loc -> ?attrs:attrs -> Asttypes.arg_label -> Parsetree.core_type -> Parsetree.class_type -> Parsetree.class_typeval extension : ?loc:loc -> ?attrs:attrs -> Parsetree.extension -> Parsetree.class_type