<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">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.</div><br class=""><div><blockquote type="cite" class=""><div class="">On Sep 22, 2016, at 2:07 PM, Saagar Jha via swift-users <<a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hello,<div class=""><br class=""></div><div class="">I’ve been working on migrating some old code over to Swift 3, and I’m having some trouble archiving an array of tuples:</div><div class=""><br class=""></div><div class="">class Foo: NSObject, NSCoding {</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>var bar: [(string1: String, string2: String)]</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>required init?(coder aDecoder: NSCoder) {</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>bar = aDecoder.decodeObject(forKey: “bar”) as? [(string1: String, string2: String)] ?? []</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>func encode(with aCoder: NSCoder) {</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>aCoder.encode(bar, forKey: “bar”) // crash</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div class="">}</div><div class=""><br class=""></div><div class="">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?<br class=""><div class=""><br class="webkit-block-placeholder"></div><div class="">
Thanks,<br class="Apple-interchange-newline"><span style="font-family: 'SF UI Text'; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Saagar Jha</span><br style="font-family: 'SF UI Text'; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: 'SF UI Text'; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: 'SF UI Text'; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
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