PPT-CSE341: Programming Languages

Lecture 9 FunctionClosure Idioms Zach Tatlock Winter 2018 More idioms We know the rule for lexical scope and function closures Now what is it good for A partial but wideranging list Pass functions with private data to iterators Done. Lecture 11. Closures-. ish. Java & . C. Dan Grossman. Fall 2011. Higher-order programming. Higher-order programming, e.g., with . map. and . filter. , is great. Language support for closures makes it very pleasant. Chapter One. Modern Programming Languages, 2nd ed. . 1. Outline. What makes programming languages an interesting subject? . The amazing variety. The odd controversies. The intriguing evolution. The connection to programming practice. Introduction To Ruby; Dynamic OOP; "Duck Typing". Alan Borning. Autumn 2012. (slides borrowed from Dan Grossman). The plan. Lecture materials may not recount every little language feature we use. Thomas book . 1. A Type Is A Set. When you declare that a variable has a certain type, you are saying that the values the variable can have are elements of a certain set. A type is a set of values. plus a low-level representation. Classification of programming languages. “There are only two kinds of programming languages: those people always bitch about and those nobody uses.”. --. Bjarne. . Stroustrup. 1. . Generated using wordle.net from the text of this ppt file. CS 170b. Benjamin Gaska, much help from William Mitchell. What is a programming language. A simple definition:. A system for describing computation.. It is generally agreed that in order for a language to be . Lecture 14. Thunks. , Laziness, Streams, . Memoization. Dan Grossman. Spring . 2017. Delayed evaluation. For each language construct, the semantics specifies when . subexpressions. get evaluated. In ML, Racket, Java, C:. Lecture 17. Implementing Languages Including Closures. Dan Grossman. Autumn . 2018. Typical workflow. Autumn 2018. 2. CSE341: Programming Languages. "(. fn. x => x x) 4". Parsing. Call. Function. Lecture 18. Static vs. Dynamic Typing. Dan Grossman. Autumn . 2018. Key differences. Racket and ML have . much. . . in common. Key differences. Syntax. Pattern-matching vs. . struct. -tests and . accessor. Lecture 19. Introduction to Ruby and OOP. Dan Grossman. Autumn . 2018. Ruby logistics. Next two sections use the Ruby language. http://. www.ruby-lang.org/. Installation / basic usage instructions on course website. Lecture . 6. Tail Recursion, Accumulators, Exceptions. Dan Grossman. Fall 2011. Two unrelated topics. Tail recursion. Exceptions. Fall 2011. 2. CSE341: Programming Languages. Recursion. Should now be comfortable with recursion:. Lecture 12. Equivalence. Dan Grossman. Autumn 2018. Last Topic of Unit. More careful look at what “two pieces of code are . equivalent. ” means. Fundamental software-engineering idea. Made easier with . Lecture . 22. OOP . vs. Functional Decomposition; Adding Operators & Variants; . Double-Dispatch . Dan Grossman. Winter 2013. Breaking things down. In functional (and procedural) programming, break programs down into . Lecture 9. Function-Closure Idioms. Dan Grossman. Fall 2011. More idioms. We know the rule for lexical scope and function closures. Now what is it good for. A partial but wide-ranging list:. Pass functions with private data to iterators: Done.