pest3_meta 0.0.2

Early WIP prototype version of pest 3.0
Documentation 
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use crate::parser::grammar::Rule;

/// A helper function to rename verbose rules
/// for the sake of better error messages
#[inline]
pub fn rename_meta_rule(rule: &Rule) -> String {
    match *rule {
        Rule::grammar_rule => "rule".to_owned(),
        Rule::assignment_operator => "`=`".to_owned(),
        Rule::silent_modifier => "`_`".to_owned(),
        Rule::opening_brace => "`{`".to_owned(),
        Rule::closing_brace => "`}`".to_owned(),
        Rule::opening_brack => "`[`".to_owned(),
        Rule::closing_brack => "`]`".to_owned(),
        Rule::opening_paren => "`(`".to_owned(),
        Rule::positive_predicate_operator => "`&`".to_owned(),
        Rule::negative_predicate_operator => "`!`".to_owned(),
        Rule::sequence_operator => "`&`".to_owned(),
        Rule::choice_operator => "`|`".to_owned(),
        Rule::optional_operator => "`?`".to_owned(),
        Rule::repeat_operator => "`*`".to_owned(),
        Rule::repeat_once_operator => "`+`".to_owned(),
        Rule::comma => "`,`".to_owned(),
        Rule::closing_paren => "`)`".to_owned(),
        Rule::quote => "`\"`".to_owned(),
        Rule::insensitive_string => "`i`".to_owned(),
        Rule::range_operator => "`..`".to_owned(),
        Rule::single_quote => "`'`".to_owned(),
        other_rule => format!("{other_rule:?}"),
    }
}