What is the meaning of a GUARD statement? What are the advantages of using Swift's GUARD statement?

What is the meaning of a GUARD statement? What are the advantages of u

1.	What is the meaning of a GUARD statement? What are the advantages of using Swift's GUARD statement?
Answer» When one or more conditions are not met, a GUARD statement is used to TRANSFER PROGRAM control out of the scope. This remark AIDS in AVOIDING the doomsday pyramid. The following is the syntax of a GUARD statement: guard condition else{Statements}