Online Swift Compiler

struct studrecord { let stname: String init?(stname: String) { if stname.isEmpty {return nil } self.stname = stname } } let stmark = studrecord(stname: "Swing") if let name = stmark { print("Student name is specified") } let blankname = studrecord(stname: "") if blankname == nil { print("Student name is left blank") }