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use BITS constant

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The8472 2021-01-31 21:13:04 +01:00
parent 236c0cf103
commit 1438207c3d
1 changed files with 1 additions and 1 deletions
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library/alloc/src/collections/vec_deque/mod.rs
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@ -58,7 +58,7 @@ mod tests;
const INITIAL_CAPACITY: usize = 7; // 2^3 - 1
const MINIMUM_CAPACITY: usize = 1; // 2 - 1
const MAXIMUM_ZST_CAPACITY: usize = 1 << (core::mem::size_of::<usize>() * 8 - 1); // Largest possible power of two
const MAXIMUM_ZST_CAPACITY: usize = 1 << (usize::BITS - 1); // Largest possible power of two
/// A double-ended queue implemented with a growable ring buffer.
///