//
// Copyright 2023 James Pace
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
//
// This Source Code Form is "Incompatible With Secondary Licenses", as
// defined by the Mozilla Public License, v. 2.0.
//
use alloc::string::{String, ToString};

#[derive(Debug, Clone)]
pub enum Error {
    Msg(String),
}

impl Error {
    pub fn from_msg(msg: &str) -> Self {
        Error::Msg(msg.to_string())
    }
}

impl core::fmt::Display for Error {
    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
        match self {
            Error::Msg(msg) => {
                write!(f, "Error manipulating graph: {}", msg)
            }
        }
    }
}

impl core::error::Error for Error {}

pub type Result<T, E = Error> = core::result::Result<T, E>;