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- #[derive(Debug, Copy, Clone, PartialEq, Eq)]
- pub struct FileRef {
- pub idx: usize,
- }
- /// A location in a source file
- #[derive(Debug, Clone, Copy)]
- pub struct Span {
- pub start: u32,
- pub end: u32,
- }
- impl Span {
- pub fn empty() -> Span {
- Span {
- start: u32::MAX,
- end: u32::MAX,
- }
- }
- pub fn exists(&self) -> bool {
- self.start != u32::MAX && self.end != u32::MAX
- }
- }
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