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<body><div>Clang modules have always supported submodules, and in fact when you import an Obj-C framework (that doesn't use a completely custom module.modulemap), each header from the framework is automatically a submodule (and importing the framework automatically imports all the submodules).<br></div>
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<div>All Swift is missing is a way to express a submodule hierarchy in Swift code. It already supports the idea of importing submodules, just not declaring them.<br></div>
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<div>-Kevin</div>
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<div>On Tue, Dec 29, 2015, at 12:29 PM, Developer via swift-evolution wrote:<br></div>
<blockquote type="cite"><div><div>How is this done for things like the Darwin module?<br></div>
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<div>~Robert Widmann<br></div>
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<div>2015/12/28 20:19、T.J. Usiyan via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> のメッセージ:<br></div>
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<blockquote type="cite"><div><div dir="ltr"><div>+1 in general. <br></div>
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<div>As an aside (In response to David), I have wanted the ability to import 'submodules' from a framework since Swift 1.0. Being able to group related functionality to import is a desirable feature, IMO<br></div>
<div>TJ<br></div>
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<div><div>On Mon, Dec 28, 2015 at 7:01 PM, David Waite via swift-evolution <span dir="ltr"><<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>></span> wrote:<br></div>
<blockquote style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0.8ex;border-left-width:1px;border-left-color:rgb(204, 204, 204);border-left-style:solid;padding-left:1ex;"><div style="word-wrap:break-word;"><div> </div>
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<blockquote type="cite"><div><span>On Dec 28, 2015, at 5:07 PM, Chris Lattner via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> wrote:</span><br></div>
<div><span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;"><span class="font" style="font-family:Helvetica"><span class="size" style="font-size:12px">+1 for this general direction, if not this specific syntax. It would also be great to have import integrate with SPM so you can import a package from an SCM URL. This would be pretty handy in particular for #! scripts.</span></span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;"></span></div>
</blockquote><div><span></span>This seems like it would strongly motivate toward a (possibly directory-scoped or system-scoped) package cache. Not saying thats a bad thing, just that it seems different than the executable packaging Swift has today with “Apps".<br></div>
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<div>-DW<br></div>
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