2016-08-02 0:52 GMT+03:00 Xiaodi Wu <[email protected]>: > On Mon, Aug 1, 2016 at 4:41 PM, Anton Zhilin via swift-evolution < > [email protected]> wrote: > >> Disclaimer: I have not (yet) prepared a proposal, or even something that >> could be considered a draft, but I want to hear public opinion on the topic. >> >> SE-0077 (about precedence groups) has been successfully implemented for >> Swift 3. (A thousand thanks to John McCall!) It suggests a model where we >> can prohibit certain operators from standing next to each other. >> >> This was intended to be the second part of that proposal. We now have to >> think if we should drop some precedence relationships between standard >> operators. Here are examples of parentheses dropping that can be ambiguous >> to reader: >> >> 1/3 as Double // should we prohibit this? >> > > Why should we? I would absolutely want that to work exactly as it does now > (0.333333...). >
Strange enough, I've just run it and yes, 0.333333... But casting precedence is lower than multiplicative, so I thought it would parse as '(1/3) as Double'. Is it a bug?
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