Podcast
Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App
Questions and Answers
What types of data structures can index expressions access elements of?
What types of data structures can index expressions access elements of?
- Arrays, pointers to functions, slices, strings, and dictionaries.
- Arrays, pointers to arrays, slices, strings, and dictionaries.
- Arrays, pointers to functions, slices, strings, and maps.
- Arrays, pointers to arrays, slices, strings, and maps. (correct)
What must the index be in an index expression?
What must the index be in an index expression?
- A typed constant or an integer.
- A non-negative constant.
- An untyped constant or an integer. (correct)
- A non-negative integer.
What happens when an out-of-range index is used in an index expression?
What happens when an out-of-range index is used in an index expression?
- Silent failure
- Undefined behavior
- Compile-time error
- Run-time panic (correct)
What happens when an out of range index is used in an index expression?
What happens when an out of range index is used in an index expression?
Signup and view all the answers
What happens when a map index is not present in the map?
What happens when a map index is not present in the map?
Signup and view all the answers
What is the requirement for map indexes in index expressions?
What is the requirement for map indexes in index expressions?
Signup and view all the answers
What happens when you assign to an element of a nil map?
What happens when you assign to an element of a nil map?
Signup and view all the answers
What is the additional boolean value that an index expression on a map yields?
What is the additional boolean value that an index expression on a map yields?
Signup and view all the answers
