<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div><blockquote type="cite" class=""><div class="">On Apr 3, 2017, at 2:54 PM, Vladimir.S via swift-evolution <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Moreover, I think that we need *additional* access level(to current 'private'), which will mean 'can be accessed from extensions and subtypes in the same *module*' to be able to split type's conformances to number of files and don't make implementation details accessible&visible for whole module. (there was 'extensible' modifier discussed previously).</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote></div><div class=""><br class=""></div><div class="">If we wanted to do this, I think we'd want a `protected` modifier that was orthogonal to `internal` and `private` (which would probably revert to `fileprivate` semantics):</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>struct Foo {</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>private let bar: Int<span class="Apple-tab-span" style="white-space:pre"> </span>// Only visible in this file</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>protected private let baz: Int<span class="Apple-tab-span" style="white-space:pre"> </span>// Only visible in this file and type</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>let quux: Int<span class="Apple-tab-span" style="white-space:pre"> </span>// Only visible in this module</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>protected let quuux: Int<span class="Apple-tab-span" style="white-space:pre"> </span>// Only visible in this module and type</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div class=""><br class=""></div><div class="">We might then consider extending `protected` to `public` and `open` scope.</div><div class=""><br class=""></div><div class="">I mention this not because I think type-based scoping is a good idea, but because if we're gonna do it, we shouldn't do it halfway.</div><br class=""><div class="">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class=""><div style="font-size: 12px; " class="">-- </div><div style="font-size: 12px; " class="">Brent Royal-Gordon</div><div style="font-size: 12px; " class="">Architechies</div></div></span>
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