use thiserror::Error as ThisError;
type SuffixIndex = usize;
type SuffixVersion = u64;
#[derive(Debug, PartialEq, Eq, ThisError)]
pub enum SuffixError {
#[error("Suffix error - No item found for version {0}")]
ItemNotFound(SuffixVersion, Option<SuffixIndex>),
#[error("Suffix error - calculating index {1} from head {0}")]
IndexCalculationError(u64, SuffixVersion),
#[error("Suffix error - converting version=({0}) to index")]
VersionToIndexConversionError(u64),
#[error("Suffix error - no prune version present in meta info")]
PruneVersionNotFound,
}