easerx 0.1.1

A reactive MVI (Model-View-Intent) framework for Rust.
Documentation 
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#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
use std::cmp::PartialEq;
use thiserror::Error;

/// Represents errors that can occur during asynchronous operations.
///
/// This enum provides a standardized way to represent different types of errors
/// that might occur during asynchronous operations, such as general errors,
/// None values, cancellations, and timeouts.
#[derive(Error, Debug, Clone, Eq, PartialEq, Hash)]
#[cfg_attr(
    feature = "serde",
    derive(Serialize, Deserialize),
    serde(rename_all = "camelCase")
)]
pub enum AsyncError {
    /// A general error with a message describing what went wrong.
    #[error("{0}")]
    Error(String),

    /// An operation returned None when a value was expected.
    #[error("Operation returned None!")]
    None,

    /// The operation was cancelled before completion.
    #[error("Task was cancelled!")]
    Cancelled,

    /// The operation timed out.
    #[error("Deadline has elapsed!")]
    Timeout,
}

impl AsyncError {
    pub fn error(msg: impl Into<String>) -> Self {
        AsyncError::Error(msg.into())
    }
    /// Returns true if this error represents a None result.
    pub fn is_none(&self) -> bool {
        matches!(self, AsyncError::None)
    }

    /// Returns true if this error is a general error with a message.
    pub fn is_error(&self) -> bool {
        matches!(self, AsyncError::Error { .. })
    }

    /// Returns true if this error represents a cancelled operation.
    pub fn is_cancelled(&self) -> bool {
        matches!(self, AsyncError::Cancelled)
    }

    /// Returns true if this error represents a timeout.
    pub fn is_timeout(&self) -> bool {
        matches!(self, AsyncError::Timeout)
    }
}