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Lazy evaluate default values
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Authored by dereckson on May 30 2020, 22:52.
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Details

Summary

The unwrap_or_else method allows to pass a closure,
and so allows lazy evaluation of the argument.

Test Plan

println!("Mounting at {}", entry_point);

Diff Detail

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Event Timeline

dereckson created this revision.

I'm not sure the performance improvement justify a commit. These kind of optimization can probably be done by the compiler because String::from("/") have no side effect.

This revision is now accepted and ready to land.Sep 24 2020, 20:05
This revision was automatically updated to reflect the committed changes.