trie_test

Trait Database

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pub trait Database<'a> {
    type Guard: DatabaseGuard + 'a;

    // Required method
    fn create_guard(&'a self) -> Self::Guard;

    // Provided methods
    fn create_trie(&'a self, root: H256) -> Trie<Self::Guard> { ... }
    fn create_empty(&'a self) -> Trie<Self::Guard> { ... }
    fn create_secure_trie(&'a self, root: H256) -> SecureTrie<Self::Guard> { ... }
    fn create_secure_empty(&'a self) -> SecureTrie<Self::Guard> { ... }
    fn create_fixed_trie<K: Encodable + Decodable, V: Encodable + Decodable>(
        &'a self,
        root: H256,
    ) -> FixedTrie<Self::Guard, K, V> { ... }
    fn create_fixed_empty<K: Encodable + Decodable, V: Encodable + Decodable>(
        &'a self,
    ) -> FixedTrie<Self::Guard, K, V> { ... }
    fn create_fixed_secure_trie<K: AsRef<[u8]>, V: Encodable + Decodable>(
        &'a self,
        root: H256,
    ) -> FixedSecureTrie<Self::Guard, K, V> { ... }
    fn create_fixed_secure_empty<K: AsRef<[u8]>, V: Encodable + Decodable>(
        &'a self,
    ) -> FixedSecureTrie<Self::Guard, K, V> { ... }
}

Required Associated Types§

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type Guard: DatabaseGuard + 'a

Required Methods§

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fn create_guard(&'a self) -> Self::Guard

Provided Methods§

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fn create_trie(&'a self, root: H256) -> Trie<Self::Guard>

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fn create_empty(&'a self) -> Trie<Self::Guard>

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fn create_secure_trie(&'a self, root: H256) -> SecureTrie<Self::Guard>

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fn create_secure_empty(&'a self) -> SecureTrie<Self::Guard>

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fn create_fixed_trie<K: Encodable + Decodable, V: Encodable + Decodable>( &'a self, root: H256, ) -> FixedTrie<Self::Guard, K, V>

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fn create_fixed_empty<K: Encodable + Decodable, V: Encodable + Decodable>( &'a self, ) -> FixedTrie<Self::Guard, K, V>

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fn create_fixed_secure_trie<K: AsRef<[u8]>, V: Encodable + Decodable>( &'a self, root: H256, ) -> FixedSecureTrie<Self::Guard, K, V>

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fn create_fixed_secure_empty<K: AsRef<[u8]>, V: Encodable + Decodable>( &'a self, ) -> FixedSecureTrie<Self::Guard, K, V>

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§