A little Go => Python story

[bearophile]

Luís Marques:

> The only one that seems "easy" to solve in D is adding sets, no?

Considering the troubles given by the built-in D associative 
arrays, and the possibility to write good enough set literals 
like:

auto s1 = set([1, 10, 5]); // helper function.

Set!int items = iota(2, 11)
                 .map!(x => x % 10)
                 .set;

Then I think it's enough to add a Set!T in std.collections with 
the nice semantics of the Python sets, plus the set() helper.

Here the only limit is that D uses opCmp for all its comparisons, 
so some of the operators of the Python sets can't be defined, and 
they need to be only normal methods for the Set!T. I am not 
worried.

Bye,
bearophile