[swift-evolution] Reconsidering SE-0003 Removing var from Function Parameters and Pattern Matching
dabrahams at apple.com
Fri Jan 22 15:14:54 CST 2016
on Fri Jan 22 2016, David Waite <swift-evolution at swift.org> wrote:
> -1 for the reversal, because I have been burned by this myself.
> The var parameters, cases, and “if var” could all be interpreted as
> either making a copy or having inout semantics. The problem is that
> the syntax doesn’t make the behavior explicit. IMHO you should be
> striving not for a reversal but for a counterproposal.
Hmm, so is this clear or surprising?
var y = 0
var x = y
x += 1
print(y) // prints 0
If it's unsurprising, can you explain why it's different from var in
all the other contexts?
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