feature request: hashset.insert(range!T inputs), i.e. add multiple elements in one call

[mw66]

currently, hashset can only insert one element at a time:

containers/src/containers/hashset.d

Line 150 in fc1625a

bool insert(T value)

HashSet!string set;
set.insert("foo");
set.insert("bar");

Can we add another method, so we can insert multiple elements all at once? e.g.

set.insert(["foo", "bar", "foo"]);

Thanks.

[rikkimax]

If insert is changed to have the prototype: bool insert(scope T[] values...) it will work as is and won't require changing.

However the return type is a bit tricky. There no way to know which values failed.

[CyberShadow]

In case of HashSet, I think this wouldn't be any more efficient than inserting them one by one.

I would suggest using each.

Maybe more useful would be to have a constructor which accepts a range, similar to assocArray.