book: Clarify that trait or type must be in same crate as impl#31128
Merged
bors merged 2 commits intorust-lang:masterfrom Jan 23, 2016
Merged
book: Clarify that trait or type must be in same crate as impl#31128bors merged 2 commits intorust-lang:masterfrom
bors merged 2 commits intorust-lang:masterfrom