changelog shortlog graph tags branches changeset files revisions annotate raw help

Mercurial > core / rust/lib/db/src/err.rs

changeset 698: 96958d3eb5b0
parent: 3d78bed56188
author: Richard Westhaver <ellis@rwest.io>
date: Fri, 04 Oct 2024 22:04:59 -0400
permissions: -rw-r--r--
description: fixes 
     1 //! db errors
     2 use std::{fmt, io};
     3 
     4 /// db Result type
     5 pub type Result<T> = std::result::Result<T, Error>;
     6 
     7 /// db Error type
     8 pub enum Error {
     9   Io(io::Error),
    10   #[cfg(feature = "rocksdb")]
    11   Rocksdb(rocksdb::Error),
    12 }
    13 
    14 impl From<io::Error> for Error {
    15   fn from(e: io::Error) -> Self {
    16     Error::Io(e)
    17   }
    18 }
    19 
    20 #[cfg(feature = "rocksdb")]
    21 impl From<rocksdb::Error> for Error {
    22   fn from(e: rocksdb::Error) -> Self {
    23     Error::Rocksdb(e)
    24   }
    25 }
    26 
    27 impl fmt::Display for Error {
    28   fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
    29     match *self {
    30       Error::Io(ref err) => write!(f, "IO error: {}", err),
    31       #[cfg(feature = "rocksdb")]
    32       Error::Rocksdb(ref err) => write!(f, "RocksDB error: {}", err),
    33     }
    34   }
    35 }
    36 
    37 impl fmt::Debug for Error {
    38   fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
    39     match *self {
    40       Error::Io(ref err) => write!(f, "IO error: {}", err),
    41       #[cfg(feature = "rocksdb")]
    42       Error::Rocksdb(ref err) => write!(f, "RocksDB error: {}", err),
    43     }
    44   }
    45 }
    46 
    47 impl std::error::Error for Error {}