[swift-evolution] [Review] SE-0081: Move where clause to end of declaration

Thorsten Seitz tseitz42 at icloud.com
Mon May 16 04:36:56 CDT 2016

Having to declare conformance to `Any` is just noise and should *not* be mandatory IMHO.


> Am 16.05.2016 um 07:59 schrieb Pyry Jahkola via swift-evolution <swift-evolution at swift.org>:
>> On 16 May 2016, at 01:45, Brent Royal-Gordon via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>> I'm actually tempted to suggest that a conformance should be *mandatory* and you should have to specify `Any` if you don't have anything more specific to say about the generic parameter:
>> 	func map<T: Any>(@noescape transform: (Element) throws -> T) rethrows -> [T]
> That's a good idea indeed if we ever intend to have other kinds of generic arguments (in particular, constant values like `length: Int`).
> Even so, I wouldn't want to prohibit adding more protocol constraints in the where clause even if you can introduce all constaints of `T` at once as `T: protocol<A, B>`.
> — Pyry
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