Use 'is' to check types and 'as?' / 'as!' to downcast.
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Fundamentals · easy
11. Type Casting
Checking and converting types.
Check your understanding
1. Safe downcast?
2. Type checking operator?
Checking and converting types.
Use 'is' to check types and 'as?' / 'as!' to downcast.
1. Safe downcast?
2. Type checking operator?