We can experiment with this while everything is behind a feature gate.
I didn't know what to do about `Range Argument` and I haven't added `Index` impls yet. cc @Gankro since you [complained](https:// cc #27777 #30877 rust-lang/rust#1192 rust-lang/rfcs#1254 relevant to #28237 (tracking issue)"This PR implements [RFC 1192](https://github.com/rust-lang/rfcs/blob/master/text/1192-inclusive-ranges.md), which is triple-dot syntax for inclusive range expressions.
You will be prompted to download updates for the Xbox 360 version when the game is started.
The new stuff is behind two feature gates (one for the syntax and one for the std::ops types).
This replaces the deprecated functionality in std::iter.
Left 4 Dead 2 will be automatically updated with this free add-on.
To celebrate this release, L4D2 and the 4-Pack will be 33% off until Monday.