#lang racket/base (require racket/gui/base racket/gui/dynamic) ;; Don't change this program to use `racket'; ths point ;; is to test `racket/gui/base' exports (let ([ns ((gui-dynamic-require 'make-gui-namespace))] [orig-ns (current-namespace)]) (unless (namespace-variable-value 'hash #t (lambda () #f) ns) (error "expected a binding for `hash'")) (namespace-attach-module orig-ns 'racket/base ns))