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use std::fmt::Display;

#[derive(Debug)]
pub struct Error {
	source: Option<(usize, usize)>,
	msg: String,
}

impl Error {
	pub fn new(msg: &str, source: Option<(usize, usize)>) -> Self {
		Self {
			msg: String::from(msg),
			source,
		}
	}
}

impl Display for Error {
	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
		f.write_str(&self.msg)?;
		if let Some((line, col)) = self.source {
			write!(f, "\n\t(line {}, col {})", line, col)?;
		}
		Ok(())
	}
}