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

[Gor Gyolchanyan]

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
>> 	"""
>> 
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