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Code Issues Releases Wiki Activity

RefCell is OK too.

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Bradlee Speice 2019-01-22 19:11:46 -05:00
parent fa5bf2d713
commit 03f72cff8e
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_drafts/understanding-allocations-in-rust.md
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@ -518,8 +518,9 @@ guidelines are in order:
[`HashMap`](https://doc.rust-lang.org/stable/std/collections/struct.HashMap.html) [`HashMap`](https://doc.rust-lang.org/stable/std/collections/struct.HashMap.html)
- Enums and other wrapper types will not trigger heap allocations unless - Enums and other wrapper types will not trigger heap allocations unless
the underlying type also needs heap allocation. You can use the underlying type also needs heap allocation. You can use
[`Option`](https://doc.rust-lang.org/stable/core/option/enum.Option.html) and [`Option`](https://doc.rust-lang.org/stable/core/option/enum.Option.html),
[`Result`](https://doc.rust-lang.org/stable/core/result/enum.Result.html) [`Result`](https://doc.rust-lang.org/stable/core/result/enum.Result.html), and
[`RefCell`](https://doc.rust-lang.org/stable/core/cell/struct.RefCell.html)
with reckless abandon. with reckless abandon.
- [Arrays](https://doc.rust-lang.org/std/primitive.array.html) are guaranteed - [Arrays](https://doc.rust-lang.org/std/primitive.array.html) are guaranteed
to be stack-allocated in all circumstances. to be stack-allocated in all circumstances.