Trait hash_db::AsHashDB

[+] Show declaration

pub trait AsHashDB<H: Hasher, T> {
    fn as_hash_db(&self) -> &dyn HashDB<H, T>;
    fn as_hash_db_mut<'a>(&'a mut self) -> &'a mut (dyn HashDB<H, T> + 'a);
}

[−] Expand description

Upcast trait for HashDB.

Required methods

fn as_hash_db(&self) -> &dyn HashDB<H, T>[−]

Perform upcast to HashDB for anything that derives from HashDB.

fn as_hash_db_mut<'a>(&'a mut self) -> &'a mut (dyn HashDB<H, T> + 'a)[−]

Perform mutable upcast to HashDB for anything that derives from HashDB.

Implementors

impl<'a, H: Hasher, T> AsHashDB<H, T> for &'a mut dyn HashDB<H, T>[+]

[+] Show hidden undocumented items

fn as_hash_db(&self) -> &dyn HashDB<H, T>

fn as_hash_db_mut<'b>(&'b mut self) -> &'b mut (dyn HashDB<H, T> + 'b)

impl<H, KF, T> AsHashDB<H, T> for MemoryDB<H, KF, T> where     H: KeyHasher,     T: Default + PartialEq<T> + for<'a> From<&'a [u8]> + Clone + Send + Sync,     KF: Send + Sync + KeyFunction<H>,

impl<'a, DB, H, T> AsHashDB<H, T> for KeySpacedDBMut<'a, DB, H> where     DB: HashDB<H, T>,     H: Hasher,     T: Default + PartialEq<T> + for<'b> From<&'b [u8]> + Clone + Send + Sync,