# Trait ethcore::verification::queue::kind::BlockLike [−] [src]

    pub trait BlockLike {
        fn hash(&self) -> H256;
        fn parent_hash(&self) -> H256;
        fn difficulty(&self) -> U256;
    }

Something which can produce a hash and a parent hash.

## Required Methods

### `fn hash(&self) -> H256`

Get the hash of this item.

### `fn parent_hash(&self) -> H256`

Get the hash of this item's parent.

### `fn difficulty(&self) -> U256`

Get the difficulty of this item.

## Implementors

- `impl BlockLike for Unverified`
- `impl BlockLike for PreverifiedBlock`
- `impl BlockLike for Header`

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