Trait sp_trie::KeyFunction

pub trait KeyFunction<H>where
    H: Hasher,{
    type Key: Send + Sync + Clone + Hash + Eq + MaybeDebug + Ord;

    // Required method
    fn key(hash: &<H as Hasher>::Out, prefix: (&[u8], Option<u8>)) -> Self::Key;
}
Expand description

Various re-exports from the memory-db crate.

Required Associated Types§

type Key: Send + Sync + Clone + Hash + Eq + MaybeDebug + Ord

Required Methods§

fn key(hash: &<H as Hasher>::Out, prefix: (&[u8], Option<u8>)) -> Self::Key

Implementors§

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impl<H> KeyFunction<H> for HashKey<H>where H: Hasher,

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type Key = <H as Hasher>::Out

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impl<H> KeyFunction<H> for PrefixedKey<H>where H: Hasher,

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type Key = Vec<u8, Global>

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impl<H> KeyFunction<H> for LegacyPrefixedKey<H>where H: Hasher,

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type Key = Vec<u8, Global>