Method at

std/re/src/main/parser.rs:33–33

(&self, i: usize)

impl<'a> Parser<'a> {
    fn peek(&self) -> Option<char> { self.p.get(self.pos).copied() }
    fn at(&self, i: usize) -> Option<char> { self.p.get(self.pos + i).copied() }
    fn bump(&mut self) -> Option<char> {
        let c = self.peek();
        if c.is_some() { self.pos += 1; }