Method copyOfEnumMap

output/java_guava/1.4.19/ImmutableMap.java:385–391

(EnumMap<K, ? extends V> original)

  }

  private static <K extends Enum<K>, V> ImmutableMap<K, V> copyOfEnumMap(EnumMap<K, ? extends V> original) {
    EnumMap<K, V> copy = new EnumMap<K, V>(original);
    for (Map.Entry<?, ?> entry : copy.entrySet()) {
      checkEntryNotNull(entry.getKey(), entry.getValue());
    }
    return ImmutableEnumMap.asImmutable(copy);
  }

  static final Entry<?, ?>[] EMPTY_ENTRY_ARRAY = new Entry<?, ?>[0];