2019-04-11 15:23:14 -07:00
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use crate::common::*;
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2019-04-11 12:30:29 -07:00
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2019-11-07 10:55:15 -08:00
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/// An alias, e.g. `name := target`
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#[derive(Debug, PartialEq)]
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pub(crate) struct Alias<'src> {
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pub(crate) name: Name<'src>,
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pub(crate) target: Name<'src>,
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}
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impl Alias<'_> {
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pub(crate) fn is_private(&self) -> bool {
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self.name.lexeme().starts_with('_')
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}
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pub(crate) fn line_number(&self) -> usize {
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self.name.line
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}
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}
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impl<'src> Keyed<'src> for Alias<'src> {
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fn key(&self) -> &'src str {
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self.name.lexeme()
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}
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2019-04-11 12:30:29 -07:00
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}
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impl<'a> Display for Alias<'a> {
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2019-04-11 15:23:14 -07:00
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fn fmt(&self, f: &mut Formatter) -> fmt::Result {
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2019-11-07 10:55:15 -08:00
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write!(
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f,
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"alias {} := {}",
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self.name.lexeme(),
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self.target.lexeme()
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)
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2019-04-11 12:30:29 -07:00
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}
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}
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