hedgehog lab Interview Question: What is optionals in swift... | Glassdoor.co.uk

Interview Question

IOS Developer Interview Hyderabad (India)

What is optionals in swift


Interview Answer

1 Answer


By assiging optionals to varaiable . the varaiable can consist of value or no value . If there is no value we use optional binding to avoid nil value expection i,e if le t and guard let

prem on 31 Dec 2018

Add Answers or Comments

To comment on this, Sign In or Sign Up.