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Add a resource-reusing method to ToOwned #41009

Merged
merged 1 commit into from
Apr 13, 2017
Merged

Add a resource-reusing method to ToOwned #41009

merged 1 commit into from
Apr 13, 2017

Commits on Apr 13, 2017

  1. Add ToOwned::clone_into (unstable as toowned_clone_into) 

    to_owned generalizes clone; this generalizes clone_from.  Use to_owned to
give it a default impl.  Customize the impl for [T], str, and T:Clone.

Use it in Cow::clone_from to reuse resources when cloning Owned into Owned.
    @scottmcm
    scottmcm committed Apr 13, 2017
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