[swift-evolution] URL Literals

Charles Srstka cocoadev at charlessoft.com
Fri Dec 16 15:05:34 CST 2016

> On Dec 16, 2016, at 2:46 PM, Micah Hainline via swift-evolution <swift-evolution at swift.org> wrote:
> I would like to be able to create a URL literal that is compile-time
> checked for correct format. This would help avoid code like this:
>    let url: URL = URL(string: "https://example.com")!
> The cleanest way I can think of doing that would be to introduce a new
> macro structure similar to #selector, though I'm open to other ideas.
> I would think it should take a quoted literal string to avoid
> problems. That would look like this:
>    let url: URL = #url("https://example.com")
> What does everyone think of that idea?
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I’d like to see something like that for file path URLs. For something so commonly used, URL(fileURLWithPath:) is obnoxiously verbose.


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