func swap<T>(_: inout T, _: inout T) Exchange the values of a and b. Precondition: a and b do not alias each other. Declaration func swap<T>(_ a: inout T, _ b: inout T)
Exchange the values of
aandb.Precondition:
aandbdo not alias each other.Declaration
funcswap<T>(_a:inoutT,_b:inoutT)