Trait ColumnSelectorTwo 

pub trait ColumnSelectorTwo {
    type FIRST: Decompress;
    type SECOND: Decompress;

    const MASK: usize;
}

Trait for specifying a mask to select two column values.

Required Associated Constants

const MASK: usize

Mask to obtain desired values, should correspond to the order of columns in a static_file.

Required Associated Types

type FIRST: Decompress

First desired column value

type SECOND: Decompress

Second desired column value

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl ColumnSelectorTwo for TDWithHashMask

where <HeaderTerminalDifficulties as Table>::Value: Send + Sync + Debug + Decompress, BlockHash: Send + Sync + Debug + Decompress,

const MASK: usize = 0b110

type FIRST = <HeaderTerminalDifficulties as Table>::Value

type SECOND = FixedBytes<32>

impl<H> ColumnSelectorTwo for HeaderWithHashMask<H>

where H: Send + Sync + Debug + Decompress, BlockHash: Send + Sync + Debug + Decompress,

const MASK: usize = 0b101

type FIRST = H

type SECOND = FixedBytes<32>