sandwichDSL.haskell:CSci 450 的作业 #4

三明治DSL.haskell CSci 450 的作业 #4 CSci 450-01：编程语言组织 CSci 503-01：语言中的基本概念 2014 年秋季 作业 #4：三明治 DSL 截止日期：11 月 7 日，星期五，晚上 11:59 This assignment requires you to complete several exercises from the Sandwich DSL Case Study. You may download the Haskell file SandwichDSL_base.hs to begin your work. CSci 503 students: Implement all programming exercises in Exercise Sets 1 and 2 except that you may choose t