Struct PruneOptions 

pub struct PruneOptions {
    pub older_than: Option<DateTime<Utc>>,
    pub max_size: Option<u64>,
    pub dry_run: bool,
}

Options controlling prune.

Fields

older_than: Option<DateTime<Utc>>

Drop records whose timestamp is strictly older than this cutoff. A record with a missing/unparseable timestamp (or a malformed line) is conservatively kept.

max_size: Option<u64>

After age pruning, drop the oldest records until the file is at most this many bytes. At least the single most recent record is always kept.

dry_run: bool

Compute and report the outcome without modifying the file.