Assigned: Saturday, 5 March 2011
Due: 11:00 p.m., Saturday, 12 March 2011
This assignment is also available in PDF.
Summary: In this assignment, you will explore various aspects of Clojure.
Purposes: To give you more experience with Clojure. To give you the opportunity to think about the implementation of data types.
Expected Time: Three to four hours.
Collaboration: I would prefer that you work on this assignment in groups of two or three. You may also work on this assignment alone or in groups of up to size four. You may consult with anyone you wish on this assignment (including other classmates), provided you cite your consultants.
Submitting: Upload a tarball to Pioneerweb.
Warning: So that this assignment is a learning experience for everyone, I may spend class time publicly critiquing your work.
a. Implement something like Clojure vectors in Java. Need to support
b. Lazy Fibonacci, the right way.
(def fib (cons 1 (cons 1 (map + fib (rest fib)))))
c. Sieve of Eratosthenes
d. Let equivalent (macro)
(let ((v1 e1) (v2 e2)) body)
is shorthand for
((lambda (v1 v2) body) e1 e2)
Implement this macro in Clojure.
e. For loops
(for var lb ub body)
f. For-each loops
(for-each var lst body)
I will look at the standard
C criteria: Is your code
correct? Is your code concise? (This
second attribute is particularly appropriate in Ruby.) Is your code
appropriately commented? Have you used any particularly
clever techniques. How comely is your
Create a directory for this assignment of the form
hw07.names. Within that directory, create subdirectories
for each part of the assignment (e.g.,
part1). Each subdirectory should contain:
Make a gzipped tarball of the assignment directory. (If you don't know how to do that, let me know.) Upload it via the Assignment 7 link on Pioneerweb.
Friday, 4 March 2011 [Samuel A. Rebelsky]
Monday, 7 March 2011 [Samuel A. Rebelsky]
I usually create these pages
on the fly, which means that I rarely
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It also means that I tend to update them regularly (see the history for
more details). Feel free to contact me with any suggestions for changes.
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