Method looking_at

cranelift/reader/src/lexer.rs:184–186

Starting from `lookahead`, are we looking at `prefix`?

(&self, prefix: &str)

    // Starting from `lookahead`, are we looking at `prefix`?
    fn looking_at(&self, prefix: &str) -> bool {
        self.source[self.pos..].starts_with(prefix)
    }

    // Starting from `lookahead`, are we looking at a number?
    fn looking_at_numeric(&self) -> bool {