Shout out to D at cppcon, when talkign about ranges.

[Walter Bright via Digitalmars-d]

Ranges because a D core language feature with D 2.021 Nov 25, 2008.

Core language feature meaning it was no longer just a library construction, it 
was supported by foreach loops.

As a library feature, it appeared in D 2.008 Nov 27, 2007.