Ok wrapping: Improved support for writing code from an error handling mindset#2107

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scottmcm wants to merge 3 commits intorust-lang:masterfrom scottmcm:ok-wrapping

+565

Commits on Aug 9, 2017

Add _ok wrapping_ to make methods returning T: Try more ergonomic
scottmcm
committed

Commits on Aug 14, 2017

Pivot to "error handling mindset", with an explicit marker
scottmcm
committed

Commits on Aug 15, 2017

Add an unresolved question around catch semantics
scottmcm
committed