[swift-evolution] Remove (!) logical negation operator

[Rafael Costa]

I think like Jeremy Pereira.

I also am quite surprised that the overloading of the meaning of symbols is
> a serious issue. It’s natural for people to distinguish the meaning of
> things by context. C programmers don’t complain that they are always
> confusing pointer dereferencing with multiplication do they? No.


It is used for two meanings? Yes. Does it cause THAT much of confusion? No.
I really think the way we're going today is just fine. Just an opinion
though.

On Wed, Dec 16, 2015 at 1:28 PM Dennis Lysenko via swift-evolution <
swift-evolution at swift.org> wrote:

> Ilya, +1. I have seen maybe 3-4 force unwraps in a 20,000 lines-of-swift
> codebase. There is no need for them in practice when you use optional
> binding.
>
> On Wed, Dec 16, 2015, 9:33 AM ilya via swift-evolution <
> swift-evolution at swift.org> wrote:
>
>> Well the best way to make sure there is no confusion is to discourage the
>> usage of both operators.
>>
>> Every time there's an expression that contains an excessive number of !s
>> it can be refactored by extracting separate variables, using non forced
>> unwrapping, comparing with true and false etc.
>>
>> Not sure a syntactic change is warranted.
>>
>> On Wed, Dec 16, 2015 at 17:04 Yichen Cao via swift-evolution <
>> swift-evolution at swift.org> wrote:
>>
>>> Instead, I prefer the force unwrap to be another character other than
>>> the negate operator. It makes no sense to have the negation operator be
>>> universal and suddenly introduce the force unwrap with the same character.
>>>
>>>
>>> Yichen
>>>
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