> On Apr 13, 2016, at 10:32 AM, Vladimir.S <[email protected]> wrote: > > But in case of struct instance constant - we have a problem: > > struct A { > var x = 1 > var y = 2 > } > > let a1 = A() > > with (a1) { > print($0.x) > $0.y = 10 > } > > - this will be compiled without errors/warnings, but yes - there will be > runtime error. I'm sure this is not what we need from Swift. And so, this > "with" function can not be a 100% replacement for special language > construction. So, all, please provide your opinion on this proposal and I > believe we should move it forward. > >
My version of `with` doesn't have this issue. However, it's a clear logical error on the programmer's part when you treat a value type as a reference type. -- E _______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
