memcomparable 0.2.0

A memcomparable serialization format.
Documentation 
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// Copyright 2022 Singularity Data
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::fmt::Display;

use serde::{de, ser};
use thiserror::Error;

/// The result of a serialization or deserialization operation.
pub type Result<T> = std::result::Result<T, Error>;

/// An error that can be produced during (de)serializing.
#[allow(missing_docs)]
#[derive(Error, Clone, Debug, PartialEq, Eq)]
pub enum Error {
    #[error("{0}")]
    Message(String),
    #[error("unexpected end of input")]
    Eof,
    #[error("unsupported type: {0}")]
    NotSupported(&'static str),
    #[error("invalid bool encoding: {0}")]
    InvalidBoolEncoding(u8),
    #[error("invalid char encoding: {0}")]
    InvalidCharEncoding(u32),
    #[error("invalid tag encoding: {0}")]
    InvalidTagEncoding(usize),
    #[error("invalid sequence encoding: {0}")]
    InvalidSeqEncoding(u8),
    #[error("invalid UTF8: {0}")]
    InvalidUtf8(#[from] std::string::FromUtf8Error),
    #[error("invalid bytes encoding: {0}")]
    InvalidBytesEncoding(u8),
    #[error("invalid decimal encoding: {0}")]
    InvalidDecimalEncoding(u8),
    #[error("trailing characters")]
    TrailingCharacters,
}

impl ser::Error for Error {
    fn custom<T: Display>(msg: T) -> Self {
        Error::Message(msg.to_string())
    }
}

impl de::Error for Error {
    fn custom<T: Display>(msg: T) -> Self {
        Error::Message(msg.to_string())
    }
}