#[derive(Debug, Clone, Copy)]
pub struct PendingRange {
    pub chunk_start: usize,
    pub chunk_end: usize,
    pub start: usize,
    pub end: usize,
}

impl PendingRange {
    pub fn len(self) -> usize {
        self.end.saturating_sub(self.start)
    }
}

#[derive(Debug, Clone)]
pub struct ChunkRecord {
    pub chunk_start: usize,
    pub chunk_end: usize,
    pub tested_count: usize,
    pub open_count: usize,
    pub is_complete: bool,
}

#[derive(Debug, Clone, Default)]
pub struct ScanTotals {
    pub tested: usize,
    pub open: usize,
}