> On Apr 12, 2017, at 8:40 AM, Brent Royal-Gordon via swift-evolution > <[email protected]> wrote: > > Hey folks, > > > We've revised the proposal again. The main difference: You no longer need an > initial newline to enable indentation stripping, and stripping no longer > removes that newline even if it is present. (Adrian Zubarev and I believe > some others argued for this.) We disagreed with this at first, but it made > more sense as we thought about it more. There are a few things we like about > it: > > 1. The rules and algorithm are simpler. > 2. It accommodates more coding styles. > 3. Every non-escaped newline in the literal now creates a corresponding > newline in the resulting string. > 4. it's easy to get the old behavior back by backslashing the leading > newline. > > Unfortunately, I think this precludes stripping the trailing newline by > default, but I think this is ultimately a simpler and better approach than > the previous draft. > > Other changes: > > * We realized we needed to make closing delimiter matching a little > more complicated if we wanted to allow one or two adjacent double-quote > characters that were part of the literal's contents. Oops. > * Tabs aren't actually allowed in ordinary string literals, so we now > explicitly mention that as a difference between the two types. > * We wrote some tests for the prototype (though they haven't been > updated for this new version yet). > * There were some other wording changes, particularly in the > indentation stripping rationale, but nothing that affects the actual design. > > I understand John is working on a new version of his toolchain so people can > play with the prototype. We hope to have that ready for you all soon. > > Let us know what you think of the revisions!
I haven’t formally reviewed this proposal but have been following the thread. I generally like this proposal quite a bit. I have used multi-line strings quite a bit in other languages and this proposal does a really nice job of avoiding the small annoyances I’ve encountered. Thanks for your hard work! +1 > > -- > Brent Royal-Gordon > Architechies > > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution _______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
