Question

How to create an empty set in Swift

Answer 1

let intSet = Set<Int>()
let stringSet = Set<String>()
let boolSet = Set<Bool>()
let floatSet = Set<Float>()

print(intSet)
print(stringSet)
print(boolSet)
print(floatSet)

print(intSet.isEmpty)
print(stringSet.isEmpty)
print(boolSet.isEmpty)
print(floatSet.isEmpty)





/*
run:

[]
[]
[]
[]
true
true
true
true

*/

 

70+ SQL courses for beginners and professionals