Proposal link:
https://github.com/apple/swift-evolution/blob/master/proposals/0104-improved-integers.md
The re-review of SE-0104 ran from February 17...25, 2017. The proposal is
accepted with the following revisions:
- The root `Number` protocol should be renamed `Numeric`.
- Instead of using single-case enums as mock trailing argument labels, the
`FullWidth` and `ReportingOverflow` variants should include that information in
their basename:
multipliedFullWidth(by:)
dividingFullWidth(_:)
addingReportingOverflow(_:)
subtractingReportingOverflow(_:)
multipliedReportingOverflow(by:)
dividedReportingOverflow(by:)
- `popcount` should use the unabbreviated name `populationCount`.
The core team also observed that the proposed endianness-handling interfaces
deserve further thought. In almost every known little-, big-, or mixed-endian
format, converting to and from another endian are symmetric operations (going
to and from big endian are the same operation, as are going to and from little
endian), so there is no need for both sets of operations to be independent
protocol requirements. The core team accepts the proposal as is for now, since
it's a small corner of the larger proposal, but asks the authors for a
follow-up proposal in this space.
-Joe
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