[swift-evolution] Proposal: Remove % operator for floating-point types
clattner at apple.com
Fri Dec 18 17:04:07 CST 2015
> On Dec 18, 2015, at 3:03 PM, Stephen Canon <scanon at apple.com> wrote:
>> On Dec 18, 2015, at 5:57 PM, Chris Lattner <clattner at apple.com <mailto:clattner at apple.com>> wrote:
>> On Dec 18, 2015, at 1:12 PM, Stephen Canon via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>>> Hi everybody —
>>> I’d like to propose removing the “%” operator for floating-point types.
>> I support removing this - it is actively harmful for a surprising operation like this to have such short and inviting syntax. As asked downthread, have you given any thought into whether a Decimal type would support this operation?
> The same concerns apply to decimal. It makes sense to have the operation (for both binary and decimal floating-point) as “Type.remainder(a,b)” or a free function like "remainder(a, b)”, but I would prefer not to use the operator “%” for it because it behaves very differently from integer %, and in ways that are not at all obvious to most users.
Great, I’d prefer decimal and the float types to have a consistent interface where possible. +1 from me on the proposal.
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