[swift-evolution] multi-line string literals
me at tal.by
Thu Dec 10 16:43:43 CST 2015
Conceptually for this, especially for server side utility. I think there’s
a plethora of options out there, “”” seems to be the most modern one, and
i’d vote for it having the same interpolation as standard strings \()
On Thu, Dec 10, 2015 at 4:57 PM Travis Tilley via swift-evolution <
swift-evolution at swift.org> wrote:
> I would very much like to implement multi-line string literals in swift
> and get feedback on what this should look like, as i've been informed there
> are several competing suggestions filed as radars.
> My initial improvement request is here:
> It is only an opinion, but it's my belief that simple python-style
> multi-line string literals are the way to go. They're simple and, in the
> end, exactly the same as normal string literals. They begin and end with
> triple quotes, can contain newlines, can contain single quotes, and that's
> all that's special in their parsing. The same block of code in Lexer.cpp
> could be used for both types of literal, ensuring behavior is always
> consistent regardless of any future changes.
> There is also the potential suggestion of removing consistent indentation
> if there is any so as to make formatting of a multi-line string literal
> look more clean when indented. For me, it would be a nice to have, but not
> a make or break feature... and for some it may be confusing.
> I'd like to state that I'm not proposing heredoc-style functionality, as I
> believe that to be an entirely separate feature. The potential to have one
> heredoc embedded within another would certainly make parsing more painful
> than i'm happy with.
> For an example of code that would benefit significantly from multi-line
> string literals, please look at docopt.swift:
> Docopt does the opposite of what most command line argument libraries do:
> rather than defining options and auto-generating the help text based on
> that... You write the help text and it auto-generates a CLI with exactly
> those options and arguments. It makes writing CLI applications an absolute
> pleasure, but without multi-line string literals in swift it's currently
> less pleasant than it could be.
> Please send me your thoughts. ^_^b
> -Travis Tilley
> swift-evolution mailing list
> swift-evolution at swift.org
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