Document that isize/usize are at least 16-bit wide on all platforms we currently support#154

Merged

RalfJung merged 6 commits intorust-lang:masterfrom

Jul 25, 2019

Commits on Jul 2, 2019

Do not say that libcore relies on usize>=16bit
gnzlbg
committed

Commits on Jul 23, 2019

Clarify that all platforms we support have a C platform
gnzlbg
committed