rigsql-core 0.7.1

Core types (Token, Span, Segment) for the rigsql SQL linter
Documentation 
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/// Byte-offset span within source text.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct Span {
    /// Start byte offset (inclusive).
    pub start: u32,
    /// End byte offset (exclusive).
    pub end: u32,
}

impl Span {
    pub fn new(start: u32, end: u32) -> Self {
        debug_assert!(start <= end);
        Self { start, end }
    }

    pub fn len(&self) -> u32 {
        self.end - self.start
    }

    pub fn is_empty(&self) -> bool {
        self.start == self.end
    }

    /// Merge two spans into one covering both.
    pub fn merge(self, other: Span) -> Span {
        Span {
            start: self.start.min(other.start),
            end: self.end.max(other.end),
        }
    }

    /// Extract the text this span covers from source.
    pub fn text<'a>(&self, source: &'a str) -> &'a str {
        &source[self.start as usize..self.end as usize]
    }
}