Struct rustc_data_structures::unify::Snapshot

source · 
pub struct Snapshot<S>
where
    S: UnificationStore,
{
    marker: PhantomData<S>,
    snapshot: <S as UnificationStore>::Snapshot,
}
Expand description

At any time, users may snapshot a unification table. The changes made during the snapshot may either be committed or rolled back.

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§marker: PhantomData<S>§snapshot: <S as UnificationStore>::Snapshot

Auto Trait Implementations§

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impl<S> DynSend for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize> + DynSend, <S as UnificationStore>::Snapshot: DynSend,

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impl<S> DynSync for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize> + DynSync, <S as UnificationStore>::Snapshot: DynSync,

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impl<S> Freeze for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize>, <S as UnificationStore>::Snapshot: Freeze,

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impl<S> RefUnwindSafe for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize> + RefUnwindSafe, <S as UnificationStore>::Snapshot: RefUnwindSafe,

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impl<S> Send for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize> + Send, <S as UnificationStore>::Snapshot: Send,

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impl<S> Sync for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize> + Sync, <S as UnificationStore>::Snapshot: Sync,

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impl<S> Unpin for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize> + Unpin, <S as UnificationStore>::Snapshot: Unpin,

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impl<S> UnwindSafe for Snapshot<S>
where S: UnificationStoreMut<Output = VarValue<<S as UnificationStoreBase>::Key>> + UnificationStoreBase + Index<usize> + UnwindSafe, <S as UnificationStore>::Snapshot: UnwindSafe,

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