Method compute

guava/src/com/google/common/cache/LocalCache.java:4224–4231

(
      K key, BiFunction<? super K, ? super @Nullable V, ? extends @Nullable V> function)

  }

  @Override
  public @Nullable V compute(
      K key, BiFunction<? super K, ? super @Nullable V, ? extends @Nullable V> function) {
    checkNotNull(key);
    checkNotNull(function);
    int hash = hash(key);
    return segmentFor(hash).compute(key, hash, function);
  }

  @Override
  public V computeIfAbsent(K key, Function<? super K, ? extends V> function) {