CSE 130 Fall 2011 - In-Class Exercise 1

For each expression below, write down whether there is

• A type-error OR
• A run-time error OR
• The resulting value and its type

Problem 1

(1 + 3 = 2 + 2)

Problem 2

(1 + 3, "cat" ^ "dog", 2.3)

Problem 3

[1 + 3; "cat" ^ "dog"; 2.3]

Problem 4

if (1 < 2) then [0;1;2] else [3;4;5]

Problem 5

(if true then [] else [4]) = (if false then ["c"] else [])