Exam-style question
Try this first
Which of the following is a property of a first-class object or value?.
- A.It may be assigned to a variable
- B.It must be a character
- C.It can never appear in an expression
- D.It must be returned by every function call
Model answer
What a good answer should say
- It may be assigned to a variable
Explanation
Why this works
First-class objects or values may be assigned to variables. They may also appear in expressions, be assigned as arguments and be returned in function calls.
Common mistake
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