lemonlang 0.0.4

an experimental, modern, purely safe, programming language.
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#![allow(dead_code)]
use core::fmt;
use logos::Span;
use serde::{Deserialize, Serialize};
use std::cmp::{max, min};
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, Eq)]
pub struct Range {
	// set as u32?
	pub start: usize,
	pub end: usize,
}

impl Range {
	pub fn new(start: usize, end: usize) -> Range {
		Range { start, end }
	}

	pub fn merge(&mut self, range: &Range) {
		self.start = min(self.start, range.start);
		self.end = max(self.end, range.end);
	}

	pub fn merged_with(&self, range: &Range) -> Range {
		Range::new(min(self.start, range.start), max(self.end, range.end))
	}

	pub fn from_span(span: Span) -> Range {
		Range::new(span.start, span.end)
	}
}

impl fmt::Display for Range {
	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
		write!(f, "{}..{}", self.start, self.end)
	}
}

impl Default for Range {
	fn default() -> Self {
		Self::new(0, 0)
	}
}