[swift-evolution] [Idea] Trailing Multi-Line String Literal

David Hart davidhart at fastmail.com
Thu Jun 15 11:16:24 CDT 2017


I totally see what you are driving at. But I just see less value in it that with trailing closure. But it’s very personal.

> On 15 Jun 2017, at 13:18, Gor Gyolchanyan <gor at gyolchanyan.com> wrote:
> 
> Funny you should mention DSLs:
> 
> let myQuery = sql """
> 	SELECT id, name, date
> 	FROM MyTable
> 	WHERE id > 100
> 	"""
> 
> let myLayout = NSLayoutConstraint """
> 	...
> 	"""
> 
> let myPredicate = NSPredicate ""
> 	...
> 	"""
> 
>> On Jun 15, 2017, at 2:05 PM, David Hart <davidhart at fastmail.com> wrote:
>> 
>> Personally, I have never felt that need.
>> 
>> Trailing closures fill of need of making Swift a good candidate for building DSLs, where they make the function calls look more like first-class operations. But I don’t think that trailing strings would be as useful.
>> 
>> David.
>> 
>>> On 15 Jun 2017, at 11:54, Gor Gyolchanyan via swift-evolution <swift-evolution at swift.org> wrote:
>>> 
>>> Good day, swift evolution community!
>>> 
>>> I'll just get right to it...
>>> 
>>> Did anyone else beside me wished this was a thing?
>>> 
>>> func parse(allowSomeBehavior: Bool = true, source: String) {
>>> 	// ...
>>> }
>>> 
>>> parse(allowSomeBehavior: false) """
>>> 	This is a source string
>>> 	that contains a number of lines of text
>>> 	which is passed to the function `parse`
>>> 	"""
>>> 
>>> parse """
>>> 	The exact same thing as above
>>> 	except no other parameters are specified
>>> 	"""
>>> 
>>> _______________________________________________
>>> swift-evolution mailing list
>>> swift-evolution at swift.org
>>> https://lists.swift.org/mailman/listinfo/swift-evolution
>> 
> 



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