Change the `Fn` traits to use inheritance, not bridge impls#23282

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bors merged 2 commits intorust-lang:masterfrom

nikomatsakis:fn-trait-inheritance

Mar 25, 2015

Commits on Mar 23, 2015

Make the `Fn` traits inherit from one another and remove the bridging
nikomatsakis
committed
Fallout from changing fn traits to use inheritance rather than bridge
nikomatsakis
committed