pomsky-syntax 0.12.0

Parser for pomsky, a new regular expression language
Documentation 
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use crate::Span;

use super::Rule;

#[derive(Debug, Clone)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub struct Negation {
    pub rule: Rule,
    pub not_span: Span,
}

impl Negation {
    #[cfg(feature = "dbg")]
    pub(super) fn pretty_print(&self, buf: &mut crate::PrettyPrinter, needs_parens: bool) {
        buf.push('!');
        if needs_parens {
            buf.start_indentation("(");
        }

        self.rule.pretty_print(buf, false);

        if needs_parens {
            buf.end_indentation(")");
        }
    }
}