[swift-evolution] [Review] SE-0104: Protocol-oriented integers
Stephen Canon
scanon at apple.com
Thu Jun 23 11:28:26 CDT 2016
On Jun 23, 2016, at 2:23 AM, Félix Cloutier via swift-evolution <swift-evolution at swift.org> wrote:
> Is there a way to get an optional initializer that returns `nil` if the operand can't be represented?
That’s in the Arithmetic Protocol in the proposal:
/// Initializes to the value of `source` if it is representable exactly,
/// returns `nil` otherwise.
init?<T : Integer>(exactly source: T)
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