Method lookingAt

java/com/google/re2j/Parser.java:759–761

(char c)

    // Equivalent to both peek() == c but more efficient because we
    // don't support surrogates.  Precondition: |more()|.
    boolean lookingAt(char c) {
      return str.charAt(pos) == c;
    }

    // Equivalent to rest().startsWith(s).
    boolean lookingAt(String s) {