Swift function return value

Definition and invocation of functions

Func begins with the type returned as a prefix,->

The result of the add output is 11.

Function parameters can also have multiple parameters, written in parentheses separated by commas.

1 func Introduce (name: stringIntstring2{ 3     return " \ (name), I ' m \ (age)-   year-old now. " 4 }5 introduce ("Zing",)

No parameter function

1 func HelloWorld () 2 {3     return " Hello World " 4 }5 print (HelloWorld ())

Multiple return value functions

1Func operation (Pending:int ...)(Add:int,ride:int)2 {3     varAD =0, RI =14      forAinchAdd5     {6ad+=a7     }8      forRinchRide9     {Tenri*=R One     } A     return(Ad,ri) - } -Let result = Operation (5,Ten,Ten) thePrint"add \ (result.add), multiply \ (result.ride)")

Swift function return value