Update grammar for order of parameters/arguments.#920

Merged

Havvy merged 2 commits intorust-lang:masterfrom ehuss:fix-generic-params

Jan 10, 2021

+41-63

Commits on Jan 6, 2021

Update grammar for order of parameters/arguments.
ehuss
committed

Commits on Jan 10, 2021

Update generic params based on review.
ehuss
committed