[−][src]Trait trie_db::HashDBRef
Trait for immutable reference of HashDB.
Required methods
fn get(&self, key: &<H as Hasher>::Out, prefix: &[u8]) -> Option<T>
Look up a given hash into the bytes that hash to it, returning None if the hash is not known.
fn contains(&self, key: &<H as Hasher>::Out, prefix: &[u8]) -> bool
Check for the existance of a hash-key.
Implementors
impl<'a, H, T> HashDBRef<H, T> for &'a (dyn HashDB<H, T> + 'a) where
H: Hasher,
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H: Hasher,
fn get(&self, key: &<H as Hasher>::Out, prefix: &[u8]) -> Option<T>
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fn contains(&self, key: &<H as Hasher>::Out, prefix: &[u8]) -> bool
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impl<'a, H, T> HashDBRef<H, T> for &'a mut (dyn HashDB<H, T> + 'a) where
H: Hasher,
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H: Hasher,