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Rollup merge of #78728 - a1phyr:const_cell_into_inner, r=dtolnay

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Constantify `UnsafeCell::into_inner` and related

Tracking issue: #78729

This PR constantifies:
- `UnsafeCell::into_inner`
- `Cell::into_inner`
- `RefCell::into_inner`
- `Atomic*::into_inner`

r? `````@dtolnay`````
This commit is contained in:
Mara Bos 2020-11-08 13:36:14 +01:00 • committed by GitHub
commit 2967e58be3
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5 changed files with 26 additions and 8 deletions
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library/core/src/lib.rs
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@ -70,6 +70,7 @@
#![feature(cfg_target_has_atomic)]
#![feature(const_alloc_layout)]
#![feature(const_discriminant)]
#![feature(const_cell_into_inner)]
#![feature(const_checked_int_methods)]
#![feature(const_euclidean_int_methods)]
#![feature(const_float_classify)]