sway-parse 0.71.0

Sway's parser
Documentation 
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use crate::{Parse, ParseResult, ParseToEnd, Parser, ParserConsumed};

use sway_ast::punctuated::Punctuated;

impl<T, P> ParseToEnd for Punctuated<T, P>
where
    T: Parse,
    P: Parse,
{
    fn parse_to_end<'a, 'e>(
        mut parser: Parser<'a, '_>,
    ) -> ParseResult<(Punctuated<T, P>, ParserConsumed<'a>)> {
        let mut value_separator_pairs = Vec::new();
        loop {
            if let Some(consumed) = parser.check_empty() {
                let punctuated = Punctuated {
                    value_separator_pairs,
                    final_value_opt: None,
                };
                return Ok((punctuated, consumed));
            }
            let value = parser.parse()?;
            if let Some(consumed) = parser.check_empty() {
                let punctuated = Punctuated {
                    value_separator_pairs,
                    final_value_opt: Some(Box::new(value)),
                };
                return Ok((punctuated, consumed));
            }
            let separator = parser.parse()?;
            value_separator_pairs.push((value, separator));
        }
    }
}