#[cfg(test)]
use serde_derive::{Deserialize, Serialize};

#[derive(Copy, Clone, Debug, PartialEq, Eq)]
#[cfg_attr(test, derive(Serialize, Deserialize))]
pub struct Span {
    pub start: usize,
    pub end: usize,
}

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