Returns a Boolean value indicating whether every element of a sequence satisfies a given predicate.
- Xcode 10.0+
- Swift Standard Library
A closure that takes an element of the sequence as its argument and returns a Boolean value that indicates whether the passed element satisfies a condition.
true if the sequence contains only elements that satisfy
The following code uses this method to test whether all the names in an array have at least five characters:
Complexity: O(n), where n is the length of the sequence.