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New Lint: Suggest filter_map instead of flat_map<U=Option<_>> #2485

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scottmcm opened this issue Feb 26, 2018 · 1 comment
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New Lint: Suggest filter_map instead of flat_map<U=Option<_>> #2485

scottmcm opened this issue Feb 26, 2018 · 1 comment

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@scottmcm
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If the closure passed to flat_map produces an Option, then filter_map does the same thing, but it does so with a much simpler implementation as it needs to keep less state.
@scottmcm
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Looks like this was already filed as #2241

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