Sort Associative Array by Key

[JN]

On Sunday, 25 August 2019 at 17:01:23 UTC, a11e99z wrote:
> On Sunday, 25 August 2019 at 16:54:33 UTC, Samir wrote:
>> Is there a way to output the values of an associative array 
>> based on the lexicographic order of the keys?
>>
>> For example, if foo = ["VXE":8, "BZP":5, "JLC":2], I'd like to 
>> output something like:
>>
>> 5
>> 2
>> 8
>>
>
>> auto foo = ["VXE":8, "BZP":5, "JLC":2];
>> foo.byPair.array.sort!"a[0]<b[0]".map!"a[1]".writeln;

I think normal lambdas are better than these string ones:

foo.byPair.array.sort!((a, b) => a[0] < b[0]).map!(a => 
a[1]).writeln;