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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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amj
dereckson

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rLF56b5eae8479a: Lazy evaluate default values

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);

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dereckson requested review of this revision.May 30 2020, 22:52

dereckson created this revision.

Harbormaster completed remote builds in B3556: Diff 5767.May 30 2020, 22:52

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.

for DefaultConfig too

Harbormaster completed remote builds in B3558: Diff 5769.May 30 2020, 23:58

dereckson accepted this revision.Sep 24 2020, 20:05

This revision is now accepted and ready to land.Sep 24 2020, 20:05

Closed by commit rLF56b5eae8479a: Lazy evaluate default values (authored by dereckson). · Explain WhySep 24 2020, 20:06

This revision was automatically updated to reflect the committed changes.

dereckson added a commit: rLF56b5eae8479a: Lazy evaluate default values.

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config.rs

6 lines

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