Method peek_space

regex/regex-syntax/src/ast/parse.rs:592–614

Like peek, but will ignore spaces when the parser is in whitespace insensitive mode.

(&self)

    /// Like peek, but will ignore spaces when the parser is in whitespace
    /// insensitive mode.
    fn peek_space(&self) -> Option<char> {
        if !self.ignore_whitespace() {
            return self.peek();
        }
        if self.is_eof() {
            return None;
        }
        let mut start = self.offset() + self.char().len_utf8();
        let mut in_comment = false;
        for (i, c) in self.pattern()[start..].char_indices() {
            if c.is_whitespace() {
                continue;
            } else if !in_comment && c == '#' {
                in_comment = true;
            } else if in_comment && c == '\n' {
                in_comment = false;
            } else {
                start += i;
                break;
            }
        }
        self.pattern()[start..].chars().next()
    }

    /// Returns true if the next call to `bump` would return false.
    fn is_eof(&self) -> bool {