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add a take method which takes a mutable reference #100

Merged
merged 1 commit into from
May 13, 2020
Merged

add a take method which takes a mutable reference #100

merged 1 commit into from
May 13, 2020

Commits on May 5, 2020

  1. [once_cell] add a take method 

    I use `OnceCell` extensively in my code to cache lazily computed data on
structs. Sometimes, I mutate the data -- in which case I have to invalidate
those caches.

This is of course possible to do by oneself, but it's slightly non-obvious
that the "once" bit of OnceCell only applies in the shared reference context.
    @sunshowers
    sunshowers committed May 5, 2020
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