brk_structs 0.0.111

Structs used throughout BRK
Documentation 
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use std::ops::Add;

use serde::Serialize;
use vecdb::StoredCompressed;
use zerocopy_derive::{FromBytes, Immutable, IntoBytes, KnownLayout};

#[derive(
    Debug, Clone, Copy, Serialize, FromBytes, Immutable, IntoBytes, KnownLayout, StoredCompressed,
)]
pub struct BlkPosition(u64);

impl BlkPosition {
    pub fn new(blk_index: u16, offset: u32) -> Self {
        Self(((blk_index as u64) << 32) | offset as u64)
    }

    pub fn blk_index(&self) -> u16 {
        (self.0 >> 32) as u16
    }

    pub fn offset(&self) -> u32 {
        self.0 as u32
    }
}

impl Add<u32> for BlkPosition {
    type Output = Self;
    fn add(self, rhs: u32) -> Self::Output {
        Self(self.0 + rhs as u64)
    }
}

impl std::fmt::Display for BlkPosition {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut buf = itoa::Buffer::new();
        let str = buf.format(self.0);
        f.write_str(str)
    }
}