<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I eh, literally just ran into a situation where this feature would have been super useful: <div><br></div><div>Someone sent me a JSON string with “\” in it. I needed to plug it into the UI logic to test something but I had to escape the “\”s again to make JSONSerialization happy.</div><div><br></div><div>A raw string literal syntax, especially when combined with multi line literals, would be very helpful.</div><div><br></div><div>That said, how/whether this syntax compose with multi line literal, interpolation, and the potential regex literal Chris mentioned earlier, deserves thorough consideration and deliberation.</div><div><br><div id="AppleMailSignature"><div>Daniel Duan</div>Sent from my iPhone</div><div><br>On Nov 23, 2017, at 11:12 AM, Brent Royal-Gordon via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="content-type" content="text/html; charset=utf-8"><div><font color="#000000"><span style="background-color: rgba(255, 255, 255, 0);">On Nov 23, 2017, at 11:15 AM, Chris Lattner via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> wrote:<br><br></span></font></div><blockquote type="cite"><font color="#000000"><span style="background-color: rgba(255, 255, 255, 0);">Until we figure out that path forward for regex’s, I think they aren’t the right motivation for this proposal.</span></font></blockquote><div><br></div><div>1. Even in our shining pattern matching future—a future which I, for one, am eager to hasten—we will still need to interoperate with NSRegularExpression and other Perl 5-compatible regex engines.</div><div><br></div><div>2. Code generation.</div><div><br></div><div>3. Windows-style paths. </div><div><br></div><div>4. Doesn’t LaTeX use backslashes?</div><div><br></div><div>5. Etc. </div><div><br></div><div>I think the Motivation section undersells this proposal. Regexes are a strong short-run use case, but in the long run, we’ll need this for other things. In both cases, though, raw literals will be a useful addition to the language, improving the clarity of Swift code much like multiline literals already have. </div><br><div id="AppleMailSignature"><div>-- </div><div>Brent Royal-Gordon</div>Sent from my iPhone</div><div><br></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>swift-evolution mailing list</span><br><span><a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a></span><br><span><a href="https://lists.swift.org/mailman/listinfo/swift-evolution">https://lists.swift.org/mailman/listinfo/swift-evolution</a></span><br></div></blockquote></div></body></html>