my_user: User = User(id=3, name="John Doe", joined="2018-07-19")

second_user_data = {
    "id": 4,
    "name": "Mary",
    "joined": "2018-11-30",
}

my_second_user: User = User(**second_user_data)
```

/// info | "情報"

`**second_user_data` は以下を意味します：

`second_user_data`辞書のキーと値を直接、キーと値の引数として渡します。これは、`User(id=4, name="Mary", joined="2018-11-30")`と同等です。

///

### エディタのサポート

    @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  /**
   * Returns every possible list that can be formed by choosing one element from each of the given
   * lists in order; the "n-ary <a href="http://en.wikipedia.org/wiki/Cartesian_product">Cartesian
   * product</a>" of the lists. For example:
   *
   * <pre>{@code
   * Lists.cartesianProduct(ImmutableList.of(
   *     ImmutableList.of(1, 2),

  public void testNewSetFromMapIllegal() {
    Map<Integer, Boolean> map = new LinkedHashMap<>();
    map.put(2, true);
    assertThrows(IllegalArgumentException.class, () -> Sets.newSetFromMap(map));
  }

  /** The 0-ary cartesian product is a single empty list. */
  public void testCartesianProduct_zeroary() {
    assertThat(cartesianProduct()).containsExactly(list());
  }

    }
  }

  /**
   * Returns every possible list that can be formed by choosing one element from each of the given
   * sets in order; the "n-ary <a href="http://en.wikipedia.org/wiki/Cartesian_product">Cartesian
   * product</a>" of the sets. For example:
   *
   * <pre>{@code
   * Sets.cartesianProduct(ImmutableList.of(
   *     ImmutableSet.of(1, 2),

  And so she went on, taking first one side and then the other,
and making quite a conversation of it altogether; but after a few
minutes she heard a voice outside, and stopped to listen.

  `Mary Ann!  Mary Ann!' said the voice.  `Fetch me my gloves
this moment!'  Then came a little pattering of feet on the
stairs.  Alice knew it was the Rabbit coming to look for her, and

rdv.to

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213F          ; mapped                 ; 03C0          # 3.2  DOUBLE-STRUCK CAPITAL PI
2140          ; mapped                 ; 2211          # 3.2  DOUBLE-STRUCK N-ARY SUMMATION
2141..2144    ; valid                  ;      ; NV8    # 3.2  TURNED SANS-SERIF CAPITAL G..TURNED SANS-SERIF CAPITAL Y