Suggest using anonymous lifetime in `impl Trait` return#58919

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bors merged 2 commits intorust-lang:masterfrom

estebank:impl-trait-return-lifetime

Apr 1, 2019

Commits on Mar 29, 2019

Suggest using anonymous lifetime in `impl Trait` return
estebank
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Commits on Mar 31, 2019

Suggest using anonymous lifetime in `impl Trait` return without hacks
estebank
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