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| author | Dylan DPC <dylan.dpc@gmail.com> | 2020-02-20 10:49:12 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-02-20 10:49:12 +0100 |
| commit | d96951f5543869567e30ab1c63c0ac44d0d74c30 (patch) | |
| tree | 0820b7f10d8c88a997a1df000f7ffbfe02546019 /src/libstd/sys/unix/stack_overflow.rs | |
| parent | 588f00841b430b12b39fb75d778bd670df8c59f5 (diff) | |
| parent | 7fe5eaf7d8cb23ceb71d8e509be13d20ef836114 (diff) | |
| download | rust-d96951f5543869567e30ab1c63c0ac44d0d74c30.tar.gz rust-d96951f5543869567e30ab1c63c0ac44d0d74c30.zip | |
Rollup merge of #68978 - ecstatic-morse:const-int-pow, r=oli-obk
Make integer exponentiation methods unstably const cc #53718 This makes the following inherent methods on integer primitives into unstable `const fn`: - `pow` - `checked_pow` - `wrapping_pow` - `overflowing_pow` - `saturating_pow` - `next_power_of_two` - `checked_next_power_of_two` - `wrapping_next_power_of_two` Only two changes were made to the implementation of these methods. First, I had to switch from the `?` operator, which is not yet implemented in a const context, to a `try_opt` macro. Second, `next_power_of_two` was using `ops::Add::add` (see the first commit) to "get overflow checks", so I switched to `#[rustc_inherit_overflow_checks]`. I'm not quite sure why the attribute wasn't used in the first place.
Diffstat (limited to 'src/libstd/sys/unix/stack_overflow.rs')
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