use std::io;
#[derive(Debug, thiserror::Error)]
pub enum Error {
#[error("io: {0}")]
Io(#[from] io::Error),
#[error("manifest: {0}")]
Manifest(#[from] serde_json::Error),
#[error("hex: {0}")]
Hex(#[from] hex::FromHexError),
#[error("invalid digest: {0}")]
InvalidDigest(String),
#[error("CAS integrity check failed for {0}")]
Integrity(String),
#[error("not yet implemented: {0}")]
Unimplemented(&'static str),
}
pub type Result<T> = std::result::Result<T, Error>;