android/guava/src/com/google/common/collect/EnumMultiset.java
@CanIgnoreReturnValue
  @Override
  public int setCount(E element, int count) {
    checkIsE(element);
    checkNonnegative(count, "count");
    int index = element.ordinal();
    int oldCount = counts[index];
    counts[index] = count;
    size += count - oldCount;
    if (oldCount == 0 && count > 0) {
      distinctElements++;
    } else if (oldCount > 0 && count == 0) {
      distinctElements--;
    }
    return oldCount;
  }
@CanIgnoreReturnValue
  @Override
  public int setCount(E element, int count) {
    checkIsE(element);
    checkNonnegative(count, "count");
    int index = element.ordinal();
    int oldCount = counts[index];
    counts[index] = count;
    size += count - oldCount;
    if (oldCount == 0 && count > 0) {
      distinctElements++;
    } else if (oldCount > 0 && count == 0) {
      distinctElements--;
    }
    return oldCount;
  }
@ CanIgnoreReturnValue @ Override public int setCount ( E element , int count ) { checkIsE ( element ) ; checkNonnegative ( count , "count" ) ; int index = element . ordinal ( ) ; int oldCount = counts [ index ] ; counts [ index ] = count ; size += count - oldCount ; if ( oldCount == 0 && count > 0 ) { distinctElements ++ ; } else if ( oldCount > 0 && count == 0 ) { distinctElements -- ; } return oldCount ; }
Modification Operations
Modification Operations