Implement inner deref for Option and Result#50267

Merged

bors merged 11 commits intorust-lang:masterfrom humanenginuity:master

Jul 31, 2018

+226-3

Commits on Apr 30, 2018

fixed some and added more tests
Xandkeeper
committed

Commits on May 3, 2018

Added comments providing justification for support of calling deref_* with wrong variant
Xandkeeper
committed

Commits on May 6, 2018

resolved conflict with upstream commit
Xandkeeper
committed

Commits on Jul 30, 2018

resolved upstream merge conflicts
Xandkeeper
committed