food for thought - swift 5 released - bottom types, string interpolation, and stuff.

[Timon Gehr]

On 12.04.19 01:03, Walter Bright wrote:
> On 4/11/2019 2:21 PM, Dennis wrote:
>> I don't get it. What's shocking about it, that people often need to 
>> know the parity of a number or that people aren't born with the 
>> knowledge that the % operator can be used for that?
> 
>    bool isOdd(int i) { return i & 1; }
> 
> Filling the standard library with trivia is not a good idea.

Yes, if it is used often enough across many projects, adding functions 
with a simple implementation can be a very good idea. The main point is 
to standardize the function name and avoid duplicated equivalent code in 
everyone's personal util libraries.

> Not knowing about a common operator is not a reason to add library functions.

No, but there can be other reasons.