scrapelect 0.3.2

Interpreter for scrapelect, a CSS-inspired web scraping DSL
Documentation
use core::fmt;

use std::error::Error as StdError;

#[non_exhaustive]
#[derive(Debug)]
pub enum Error {
    Other {
        message: String,
        source: Option<Box<dyn StdError + Send>>,
    },
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Error::Other { message, source } => {
                write!(f, "{message}")?;
                if let Some(source) = source {
                    write!(f, ": {source}")?;
                }
                Ok(())
            }
        }
    }
}

impl std::error::Error for Error {}

impl Error {
    #[inline]
    #[must_use]
    pub fn message(message: String) -> Self {
        Self::Other {
            message,
            source: None,
        }
    }

    #[inline]
    #[must_use]
    pub fn other(message: String, source: Box<dyn StdError + Send>) -> Self {
        Self::Other {
            message,
            source: Some(source),
        }
    }
}