[swift-evolution] [Accepted] SE-0168: Multi-Line String Literals

Xiaodi Wu xiaodi.wu at gmail.com
Fri Apr 21 13:48:13 CDT 2017

On Fri, Apr 21, 2017 at 1:45 PM, Erica Sadun <erica at ericasadun.com> wrote:

> On Apr 21, 2017, at 12:40 PM, Xiaodi Wu via swift-evolution <
> swift-evolution at swift.org> wrote:
> On Fri, Apr 21, 2017 at 8:48 AM, Robert Bennett via swift-evolution <
> swift-evolution at swift.org> wrote:
>> Xiaodi, I think one thing you're neglecting is that users may never print
>> out a multiline literal string at all. A string might never be printed or
>> read by a human outside of the code it resides in. In this case it seems
>> perfectly reasonable to ask that it be possible to format the string nicely
>> in the code and disregard how it would actually be printed.
> Can you give an example of such a use case, where a string is never seen
> by a human but one cannot insert literal newlines and would need elided
> ones instead?
> The most common reason is that the code is maintained by a (non-human)
> developer, who wants to be able to see and update the code in a readable
> form, but that represents a single line that will automatically wrapped by,
> for example, a UITextView for (human) consumption.

A different scenario from what Robert's describing, but sure. This goes to
my question to David Hart. Isn't this an argument for a feature to allow
breaking a single-line string literal across multiple lines? What makes
this a use case for some feature for _multiline_ string literals in
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