[swift-evolution] URL Literals

[David Sweeris]

> On Dec 19, 2016, at 11:21 AM, Erica Sadun via swift-evolution <swift-evolution at swift.org> wrote:
> 
> ```swift
> let x = #imageLiteral(resourceName:"nothere.jpg")
> print(x)
> ```
> 
> This compiles. It crashes at runtime. I don't see why URLs should be any different.
> 
> — E

They shouldn’t be. The print function can already handle things that aren’t `CustomStringConvertible`:
struct Foo {}
let x = Foo()
Foo.self is CustomStringConvertible //says `false`
print(x) //says `"Foo()\n"`
so, IMHO, that’s a bug.

- Dave Sweeris
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