[swift-evolution] [Accepted] SE-0168: Multi-Line String Literals
adrian.zubarev at devandartist.com
Wed Apr 19 23:42:09 CDT 2017
True, but this is not about IDEs or editors. The feature itself doesn’t know what an editor is and what it capable of, nor should be ever rely on that. Not everyone uses the same settings and you cannot be 100% sure to expect the same string from looking at it, which was written in a different editor if we don’t warn about trailing whitespaces now.
The trailing whitespaces might not do any harm for the currently accepted version, but we’ll have to warn about them if we decide to add the trailing backspace. As currently accepted we still have a hole to fill for coding styles, we do not support multi-lined string literals for code formatting only, nor do we have trailing precision for the same matter. (That’s what the backslash was meant for.) That said, I cannot break up a really long hardcoded string, which in my IDE is softly wrapped, into a multi-line string literal so that it looks in every editor the same and still expect the same result and be precise about the trailing whitespace characters.
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Am 20. April 2017 um 00:27:48, Brent Royal-Gordon via swift-evolution (swift-evolution at swift.org) schrieb:
On Apr 19, 2017, at 3:18 PM, Xiaodi Wu via swift-evolution <swift-evolution at swift.org> wrote:
Other common tools like Git already flag trailing whitespace by default, so even if Swift doesn't warn about it, you might still need to satisfy other tools in your pipeline.
Isn't that an equally good argument for Swift *not* warning you about it? If it's harmful, you'll have other tools in the pipeline to flag it for you.
Cosigned. We already have an Xcode setting to strip trailing whitespace, a Git setting to flag it, and linter settings to remove it. (For instance, SwiftFormat has a --trimwhitespace flag.) Not every tool needs to handle every case of questionable style.
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