Add `[` to the follow set for `ty`

[nikomatsakis]

As decided in rust-lang/rfcs#1462.

cc @pnkfelix
cc @retep998

[durka]

So according to the RFC document, FOLLOW(path) = FOLLOW(ty). Does that mean we are adding [ to FOLLOW(path) as well? (My assumption is no.)

[nikomatsakis]

Seems like yes. After all, a type can be just a path, so if we added a
[ suffix on paths, it would effectively add such a suffix to types
as well.

On Sat, Jan 23, 2016 at 09:20:33AM -0800, Alex Burka wrote:

So according to the RFC document, FOLLOW(path) = FOLLOW(ty). Does that mean we are adding [ to FOLLOW(path) as well?

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