interface {
	~[]byte  // the underlying type of []byte is itself
	~MyInt   // illegal: the underlying type of MyInt is not MyInt
	~error   // illegal: error is an interface
}
</pre>

<p>
Union elements denote unions of type sets:
</p>

<pre>
// The Float interface represents all floating-point types
// (including any named types whose underlying types are
// either float32 or float64).

hk.com
inc.hk
ltd.hk
hk.org

// UK Intis Telecom LTD : https://it.com
// Submitted by ITComdomains <******@****.***>
it.com

// Unison Computing, PBC : https://unison.cloud
// Submitted by Simon Højberg <security@unison.cloud>
unison-services.cloud

// United Gameserver GmbH : https://united-gameserver.de
// Submitted by Stefan Schwarz <******@****.***>
virtual-user.de

* 空のファイル `__init__.py` を作成します
* `main.py` ファイルを作成します：

```Python
from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

### Dockerfile

ulsan.kr
ulvik.no
um.gov.pl
umaji.kochi.jp
umb.it
umbria.it
umi.fukuoka.jp
umig.gov.pl
unazuki.toyama.jp
under.jp
undo.jp
uni5.net
unicloud.pl
unicom
union.aero
unison-services.cloud
univ.bj
univ.sn
university
unjarga.no
unjárga.no
unnan.shimane.jp
uno
unusualperson.com
unzen.nagasaki.jp
uol
uonuma.niigata.jp
uozu.toyama.jp

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

### Dockerfile

Agora, no mesmo diretório do projeto, crie um arquivo `Dockerfile` com:

```{ .dockerfile .annotate }
# (1)

ulsan.kr
ulvik.no
um.gov.pl
umaji.kochi.jp
umb.it
umbria.it
umi.fukuoka.jp
umig.gov.pl
unazuki.toyama.jp
under.jp
undo.jp
uni5.net
unicloud.pl
unicom
union.aero
unison-services.cloud
univ.bj
univ.sn
university
unjarga.no
unjárga.no
unnan.shimane.jp
uno
unusualperson.com
unzen.nagasaki.jp
uol
uonuma.niigata.jp
uozu.toyama.jp

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  `What for?' said the one who had spoken first.

  `That's none of YOUR business, Two!' said Seven.

  `Yes, it IS his business!' said Five, `and I'll tell him--it
was for bringing the cook tulip-roots instead of onions.'

  Seven flung down his brush, and had just begun `Well, of all
the unjust things--' when his eye chanced to fall upon Alice, as
she stood watching them, and he checked himself suddenly:  the

* Add support for the webhook authorizer to make a Deny decision that short-circuits the union authorizer and immediately returns Deny.  ([#53273](https://github.com/kubernetes/kubernetes/pull/53273), [@mikedanese](https://github.com/mikedanese))

    for details of what operations are supported and what are the differences
    from NumPy.
*   `tf.types.experimental.TensorLike` is a new `Union` type that can be used as
    type annotation for variables representing a Tensor or a value that can be
    converted to Tensor by `tf.convert_to_tensor`.