/guava/android/guava/src/com/google/common/base/CharMatcher.java
index = ~index & 1;
index = ~index - 1;
@Override public boolean matches(char c) { int index = Arrays.binarySearch(rangeStarts, c); if (index >= 0) { return true; } else { <extra_id_0> return index >= 0 && c <= rangeEnds[index]; } } @Override public String toString() { return description;