comp_314_quiz_10 - http:/cs.bilgi.edu.tr Name Surname . . ....

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
http://cs.bilgi.edu.tr Name Surname . ................................................................. Number (ID) . ................................................................... Comp 314 — Quiz ( Week 10) Do not use pencil to write your answers. Use only black or dark blue indelible pen. Cross through errors with a single line. Question 1 40 Marks In chapter 8 of PLAI, the Scheme construct box is introduced. 1. What is box? 2. What operations can be performed on box and what are their semantics? 3. Implement box in Scheme without using the built-in box. 4. Why did we need to introduce this construct in chapter 8? 5. When and how do we use it in the chapter 8 interpreter? Document last compiled on April 27, 2009 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
http://cs.bilgi.edu.tr Question 2 10 marks Why, in practice, do lazy languages generally not have mutation? Explain what might go wrong if they did, giving examples. Document last compiled on April 27, 2009 2
Background image of page 2
http://cs.bilgi.edu.tr Question 3 10 marks “Since lazy languages evaluate expressions later, instead of immediately, the expres-
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

comp_314_quiz_10 - http:/cs.bilgi.edu.tr Name Surname . . ....

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online