pub trait AsLocalKey: Key {
    type LocalKey;

    // Required method
    fn as_local_key(&self) -> Option<Self::LocalKey>;
}

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Required Methods§

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fn as_local_key(&self) -> Option<Self::LocalKey>

Given an instance of this key, what crate is it referring to? This is used to find the provider.

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl AsLocalKey for (CrateNum, SimplifiedType)

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impl AsLocalKey for (CrateNum, DefId)

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impl AsLocalKey for CrateNum

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impl AsLocalKey for DefId

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impl AsLocalKey for ModDefId

Implementors§

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impl<'tcx> AsLocalKey for InstanceDef<'tcx>

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type LocalKey = InstanceDef<'tcx>