Functional
Beginner 2 min read
Null Safety: The Elvis Operator ?:
Replace null checks with concise, expressive fallbacks
Android Academy
Android Engineer
The Elvis operator ?: returns the left-hand expression if it's not null, or the right-hand expression otherwise. Combined with safe calls (?.) and takeIf, it eliminates most null-check boilerplate. You can also use ?: return or ?: throw to exit early from a function, making guard-clause patterns clean and readable.
#kotlin
#null-safety
#android