module Mb: sig .. end
sig
end
val mk : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Ast_helper.str -> Parsetree.module_expr -> Parsetree.module_binding
?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Ast_helper.str -> Parsetree.module_expr -> Parsetree.module_binding