<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="">Just throwing this here. Unfortunately `Stream` is already taken (and tied to Foundation).<div class=""><br class=""></div><div class=""><div style="margin: 0px; font-size: 16px; line-height: normal; font-family: Menlo;" class=""><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">public</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">struct</span><span style="font-variant-ligatures: no-common-ligatures" class=""> StdStream {</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">public</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">struct</span><span style="font-variant-ligatures: no-common-ligatures" class=""> StderrStream: </span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">OutputStream</span><span style="font-variant-ligatures: no-common-ligatures" class=""> {</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; &nbsp; &nbsp; </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">public</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">func</span><span style="font-variant-ligatures: no-common-ligatures" class=""> write(</span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">_</span><span style="font-variant-ligatures: no-common-ligatures" class=""> string: </span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">String</span><span style="font-variant-ligatures: no-common-ligatures" class="">) { </span><span style="font-variant-ligatures: no-common-ligatures; color: #3d1d81" class="">fputs</span><span style="font-variant-ligatures: no-common-ligatures" class="">(string, Darwin.</span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">stderr</span><span style="font-variant-ligatures: no-common-ligatures" class="">) }</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; }</span></div><p style="margin: 0px; line-height: normal; min-height: 19px;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp;&nbsp; &nbsp;</span><br class="webkit-block-placeholder"></p><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">public</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">struct</span><span style="font-variant-ligatures: no-common-ligatures" class=""> StdoutStream: </span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">OutputStream</span><span style="font-variant-ligatures: no-common-ligatures" class=""> {</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; &nbsp; &nbsp; </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">public</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">func</span><span style="font-variant-ligatures: no-common-ligatures" class=""> write(</span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">_</span><span style="font-variant-ligatures: no-common-ligatures" class=""> string: </span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">String</span><span style="font-variant-ligatures: no-common-ligatures" class="">) { </span><span style="font-variant-ligatures: no-common-ligatures; color: #3d1d81" class="">fputs</span><span style="font-variant-ligatures: no-common-ligatures" class="">(string, Darwin.</span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">stdout</span><span style="font-variant-ligatures: no-common-ligatures" class="">) }</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; }</span></div><p style="margin: 0px; line-height: normal; min-height: 19px;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp;&nbsp; &nbsp;</span><br class="webkit-block-placeholder"></p><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">public</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">static</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">var</span><span style="font-variant-ligatures: no-common-ligatures" class=""> err = </span><span style="font-variant-ligatures: no-common-ligatures; color: #4f8187" class="">StderrStream</span><span style="font-variant-ligatures: no-common-ligatures" class="">()</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">&nbsp; &nbsp; </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">public</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">static</span><span style="font-variant-ligatures: no-common-ligatures" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">var</span><span style="font-variant-ligatures: no-common-ligatures" class=""> out = </span><span style="font-variant-ligatures: no-common-ligatures; color: #4f8187" class="">StdoutStream</span><span style="font-variant-ligatures: no-common-ligatures" class="">()</span></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">}</span></div></div><div style="margin: 0px; font-size: 16px; line-height: normal; font-family: Menlo;" class=""><br class=""></div><div>So in use, it would look something like&nbsp;</div><div><br class=""></div><div><div style="margin: 0px; font-size: 16px; line-height: normal; font-family: Menlo;" class=""><div style="margin: 0px; line-height: normal; color: rgb(79, 129, 135);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">str</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">.</span><span style="font-variant-ligatures: no-common-ligatures; color: #3d1d81" class="">write</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">(to: &amp;</span><span style="font-variant-ligatures: no-common-ligatures" class="">StdStream</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">.</span><span style="font-variant-ligatures: no-common-ligatures" class="">out</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">)</span></div><div style="margin: 0px; line-height: normal; color: rgb(79, 129, 135);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">str</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">.</span><span style="font-variant-ligatures: no-common-ligatures; color: #3d1d81" class="">write</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">(to: &amp;</span><span style="font-variant-ligatures: no-common-ligatures" class="">StdStream</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">.</span><span style="font-variant-ligatures: no-common-ligatures" class="">err</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">)</span></div><div class=""><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class=""><br class=""></span></div></div></div><div>I also considered DarwinStream (seemed too on the nose), UnixStream, Streamfd, BSDStream, etc. Didn't like any of them.</div><div><br class=""></div><div>-- E, have paintbrush will bikeshed</div><div><br class=""></div><div><br class=""><blockquote type="cite" class=""><div class="">On Jul 11, 2016, at 12:58 PM, Saagar Jha via swift-evolution &lt;<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Thanks, I’ll write it up.<br class=""><blockquote type="cite" class="">On Jul 11, 2016, at 11:20, Dave Abrahams via swift-evolution &lt;<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>&gt; wrote:<br class=""><br class=""><br class="">on Sun Jul 10 2016, Saagar Jha &lt;<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>&gt; wrote:<br class=""><br class=""><blockquote type="cite" class="">What is the process for smaller issues like these? I’m guessing that<br class="">this doesn’t need a proposal; where should it go? On <a href="http://bugs.swift.org" class="">bugs.swift.org</a><br class="">&lt;<a href="http://bugs.swift.org/" class="">http://bugs.swift.org/</a>&gt;?<br class=""></blockquote><br class="">If it adds an API, it needs a proposal. &nbsp;Doesn't necessarily have to be<br class="">a big proposal, and the review period can be short, but we don't add<br class="">APIs without the evolution process.<br class=""><br class="">Thanks,<br class="">Dave<br class=""><br class="">-- <br class="">Dave<br class=""><br class="">_______________________________________________<br class="">swift-evolution mailing list<br class=""><a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-evolution<br class=""></blockquote><br class="">_______________________________________________<br class="">swift-evolution mailing list<br class=""><a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-evolution<br class=""></div></div></blockquote></div><br class=""></div></body></html>