temply-derive 0.3.0

Procedural macro for temply
Documentation 
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use std::{cmp::Ordering, ops::Range};

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

impl Span {
    pub fn range(self) -> Range<usize> {
        self.start..self.end
    }
}

impl PartialOrd for Span {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl Ord for Span {
    fn cmp(&self, other: &Self) -> Ordering {
        match self.start.cmp(&other.start) {
            Ordering::Equal => self.end.cmp(&other.end),
            ordering => ordering,
        }
    }
}

impl From<Range<usize>> for Span {
    fn from(range: Range<usize>) -> Self {
        Self {
            start: range.start,
            end: range.end,
        }
    }
}

#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct Spanned<T> {
    pub node: T,
    pub span: Span,
}