[swift-evolution] [Proposal] Replace thin arrows (->) with fat arrows (=>)

Radosław Pietruszewski radexpl at gmail.com
Fri Dec 18 13:07:21 CST 2015

I think you’re confusing (or not being clear about) two things: type declarations and closures. `->` means “a function type returning…” in Swift. I believe what you talk about with fat arrows is a syntax for defining closures.

… and do we need a second syntax for closures in Swift?


— Radek

> On 18 Dec 2015, at 18:35, David Fekke via swift-evolution <swift-evolution at swift.org> wrote:
> In wanted to propose either adding the fat arrow (=>), or replacing the thin arrow with the fat arrow.
> I know that Java uses the thin arrow, but  JavaScript, TypeScript and C# both allow the use of the fat arrow for lambda syntax.
> Thoughts?
> Thanks,
> David Fekke 
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