<div>Hmm, I don't know that I agree. What's the harm of trailing spaces, and if a warning, how would I silence it given that \ is rejected as a way to suppress a literal newline?</div><div><br></div><div><br><div class="gmail_quote"><div>On Wed, Apr 19, 2017 at 17:02 Joe Groff via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div><blockquote type="cite"><div>On Apr 19, 2017, at 2:43 PM, Adrian Zubarev <<a href="mailto:adrian.zubarev@devandartist.com" target="_blank">adrian.zubarev@devandartist.com</a>> wrote:</div><br class="m_8602596960290602065Apple-interchange-newline"><div><div class="m_8602596960290602065bloop_markdown" style="font-family:Helvetica,Arial;font-size:13px;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;background-color:rgb(254,254,254)"><p style="margin:15px 0px">First of all, thank you for accepting the proposal. However I still have one single concern left about the trailing whitespaces. Will the final implemented version raise a warning or produce an error when there are trailing whitespaces?</p><p style="margin:15px 0px">The whole idea of a trailing<span class="m_8602596960290602065Apple-converted-space"> </span><code style="font-family:Menlo,Consolas,'Liberation Mono',Courier,monospace;font-size:10pt;border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;background-color:rgb(248,248,248);color:inherit;border:1px solid rgb(234,234,234);margin:0px 2px;padding:0px 5px;word-break:normal;word-wrap:normal">\</code><span class="m_8602596960290602065Apple-converted-space"> </span>was in first place to prevent new line injection but also for trailing whitespace character precision.</p><p style="margin:15px 0px">The following example could have 1000 characters, but a different developer who reads the code wouldn’t even notice.</p><pre style="margin:15px 0px;font-family:Menlo,Consolas,'Liberation Mono',Courier,monospace;font-size:10pt;border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;background-color:rgb(248,248,248);color:inherit;border:1px solid rgb(204,204,204);overflow:auto;padding:4px 8px;word-break:normal;word-wrap:normal"><code class="m_8602596960290602065swift" style="font-family:Menlo,Consolas,'Liberation Mono',Courier,monospace;font-size:10pt;border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;background-color:rgb(248,248,248);color:inherit;border:0px;margin:0px;padding:0px;word-break:normal;word-wrap:normal">"""
Foo<space><space>…<space>
Bar
"""
</code></pre><p style="margin:15px 0px">That’s what the trailing backslash was meant for. To prevent unwanted whitespaces, or if you really need them, to force you to be precise about them.</p><pre style="margin:15px 0px;font-family:Menlo,Consolas,'Liberation Mono',Courier,monospace;font-size:10pt;border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;background-color:rgb(248,248,248);color:inherit;border:1px solid rgb(204,204,204);overflow:auto;padding:4px 8px;word-break:normal;word-wrap:normal"><code class="m_8602596960290602065swift" style="font-family:Menlo,Consolas,'Liberation Mono',Courier,monospace;font-size:10pt;border-top-left-radius:3px;border-top-right-radius:3px;border-bottom-right-radius:3px;border-bottom-left-radius:3px;background-color:rgb(248,248,248);color:inherit;border:0px;margin:0px;padding:0px;word-break:normal;word-wrap:normal">"""
Foo<space><space><space>\n\
Bar
"""
</code></pre></div></div></blockquote></div></div><div style="word-wrap:break-word"><div>That seems like a reasonable thing to warn about. That also reminds me, blank lines should be accepted within a literal even if they aren't "indented" with invisible whitespace.</div></div><div style="word-wrap:break-word"><div><br></div><div>-Joe</div><br></div>_______________________________________________<br>
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</blockquote></div></div>