> On Jun 22, 2016, at 4:19 AM, Haravikk via swift-evolution
> <[email protected]> wrote:
>
> The following two lines are equivalent:
>
> return "Value of foo is \(foo), have a nice day!"
> return "Value of foo is " + foo + "have a nice day!" // Assuming foo is
> a String already
>
> So in a way you can think of \() as being a means of escaping from the string
> entirely. I find this more logical than the idea which other languages
> encourage which is that the variable is somehow embedded inside the string,
> which is why I actually really like having escape do this in Swift.
The two have equivalent output (excluding the omission of “, “ which I assume
was a typo), but go through different code paths. I believe the interpolation
has more opportunities for memory optimization.
-DW
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