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Interface for comare_exchange #7

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XiangpengHao opened this issue Nov 13, 2022 · 0 comments

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XiangpengHao commented Nov 13, 2022

... should be

pub fn compare_exchange(
    &self,
    key: &K,
    old: Option<&V>,
    new: Option<V>,
    guard: &epoch::Guard,
) -> Result<Option<V>, Option<V>> {...}

Currently the old value is &V, it should be Option<&V>. Once this is done, the compute_or_insert is not necessary.

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