NSCoding has never worked with either tuples or classes correctly (primarily because it is not really designed to do so). I would suggest to encode and decode either as an array of array of strings and convert or perhaps encode/decode as an array of classes representing the meaning of the tuple.
> On Sep 22, 2016, at 2:07 PM, Saagar Jha via swift-users > <[email protected]> wrote: > > Hello, > > I’ve been working on migrating some old code over to Swift 3, and I’m having > some trouble archiving an array of tuples: > > class Foo: NSObject, NSCoding { > var bar: [(string1: String, string2: String)] > > required init?(coder aDecoder: NSCoder) { > bar = aDecoder.decodeObject(forKey: “bar”) as? [(string1: > String, string2: String)] ?? [] > } > > func encode(with aCoder: NSCoder) { > aCoder.encode(bar, forKey: “bar”) // crash > } > } > > Unfortunately, this code doesn’t seem to work anymore. Is there any way to > get a array of tuple encoded without resorting to creating a struct or class > in its place? > > Thanks, > Saagar Jha > > > > _______________________________________________ > swift-users mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-users
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