DSL: add xrange()

[Al2Klimov]

No description provided.

[Al2Klimov]

Blocked by

• DSL: add generators #7776

[Al2Klimov]

Icinga 2 (version: v2.11.0-475-g309756446)
Type $help to view available commands.
<1> => xrange(10)
{
	type = "Generator"
}
<2> => xrange(10).to_array()
[ 0.000000, 1.000000, 2.000000, 3.000000, 4.000000, 5.000000, 6.000000, 7.000000, 8.000000, 9.000000 ]
<3> => xrange(1000000000000).unique().contains(42)
true
<4> =>

[Al2Klimov]

@cla-bot check

[julianbrost]

I'd avoid making the DSL more complex unless there's a good reason to do so.

[Al2Klimov]

Let's discuss this after #7776 as this stands and falls with that PR.