reddb 0.2.3

Minimalistic in-memory embedded database with persistance
Documentation 
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use failure::{Backtrace, Context, Fail};
use std::fmt::{self, Display};
use uuid::Uuid;

pub type Result<T> = ::std::result::Result<T, RedDbError>;

#[derive(Copy, Clone, Eq, PartialEq, Debug, Fail)]
pub enum RedDbErrorKind {
    //STORAGE
    #[fail(display = "Data corrupted!")]
    DataCorruption,
    #[fail(display = "Data compacted corrupted!")]
    Compact,
    #[fail(display = "Could not compact storage")]
    Storagepersist,
    #[fail(display = "Could not flush data into storage")]
    FlushData,
    #[fail(display = "Could not flush data")]
    AppendData,
    #[fail(display = "Could not append data ")]
    StorageInit,
    #[fail(display = "Could not init storage")]
    StorageData,
    #[fail(display = "Could not read storage data")]
    ReadContent,
    #[fail(display = "Could not load storage content")]
    ContentLoad,
    #[fail(display = "Could not persist data into storage")]
    Datapersist,
    // uuids
    #[fail(display = "Could not find _id {}", _id)]
    NotFound { _id: Uuid },
    #[fail(display = "Could not delete _id")]
    Deletekey,
    #[fail(display = "Could not unlock mutex")]
    Mutex,
    #[fail(display = "Database poisoned!")]
    Poisoned,
    #[fail(display = "data poisoned!")]
    PoisonedValue,
    // SERDE
    #[fail(display = "Could not deserialize data")]
    Deserialization,
    #[fail(display = "Could not serialize data")]
    Serialization,
}

#[derive(Debug)]
pub struct RedDbError {
    err: Context<RedDbErrorKind>,
}

impl RedDbError {
    pub fn kind(&self) -> RedDbErrorKind {
        *self.err.get_context()
    }
}

impl From<RedDbErrorKind> for RedDbError {
    fn from(kind: RedDbErrorKind) -> RedDbError {
        RedDbError {
            err: Context::new(kind),
        }
    }
}

impl From<Context<RedDbErrorKind>> for RedDbError {
    fn from(err: Context<RedDbErrorKind>) -> RedDbError {
        RedDbError { err }
    }
}

impl Fail for RedDbError {
    fn cause(&self) -> Option<&dyn Fail> {
        self.err.cause()
    }

    fn backtrace(&self) -> Option<&Backtrace> {
        self.err.backtrace()
    }
}

impl Display for RedDbError {
    fn fmt(&self, err: &mut fmt::Formatter<'_>) -> fmt::Result {
        Display::fmt(&self.err, err)
    }
}