mical-cli-syntax 0.0.2

Internal syntax definitions for mical-cli
Documentation 
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use rowan::TextRange;
use std::{borrow::Cow, fmt};

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct SyntaxError {
    message: Cow<'static, str>,
    range: TextRange,
}

impl SyntaxError {
    pub fn new(message: impl Into<Cow<'static, str>>, range: TextRange) -> Self {
        Self { message: message.into(), range }
    }

    pub fn message(&self) -> &str {
        &self.message
    }

    pub fn range(&self) -> TextRange {
        self.range
    }
}

impl fmt::Display for SyntaxError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        writeln!(f, "{:?}: {}", self.range, &self.message)
    }
}