from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(

    }

    /**
     * {@literal float}配列の末尾に{@literal float}の値を追加した配列を返します。
     *
     * @param array
     *            配列。{@literal null}であってはいけません
     * @param value
     *            値
     * @return 値が追加された結果の配列
     */
    public static float[] add(final float[] array, final float value) {
        assertArgumentNotNull("array", array);

        final float importantContentBoost = fessConfig.getQueryBoostImportantContentAsDecimal().floatValue();
        if (importantContentBoost >= 0.0f) {
            defaultQuery.add(builder.apply(fessConfig.getIndexFieldImportantContent(), importantContentBoost));
        }
        final float importantContantLangBoost = fessConfig.getQueryBoostImportantContentLangAsDecimal().floatValue();

class Item(BaseModel):
    name: str
    description: str | None = Field(
        default=None, title="The description of the item", max_length=300
    )
    price: float = Field(gt=0, description="The price must be greater than zero")
    tax: float | None = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Annotated[Item, Body(embed=True)]):
    results = {"item_id": item_id, "item": item}

from typing import List, Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: float = 10.5
    tags: List[str] = []


items = {
    "foo": {"name": "Foo", "price": 50.2},
    "bar": {"name": "Bar", "description": "The bartenders", "price": 62, "tax": 20.2},

from typing import Annotated

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None


class User(BaseModel):
    username: str
    full_name: str | None = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,
    item: Item,

# ➕ 💽 🆎

🆙 🔜, 👆 ✔️ ⚙️ ⚠ 📊 🆎, 💖:

* `int`
* `float`
* `str`
* `bool`

✋️ 👆 💪 ⚙️ 🌅 🏗 📊 🆎.

& 👆 🔜 ✔️ 🎏 ⚒ 👀 🆙 🔜:

* 👑 👨‍🎨 🐕‍🦺.
* 💽 🛠️ ⚪️➡️ 📨 📨.
* 💽 🛠️ 📨 💽.
* 💽 🔬.
* 🏧 ✍ & 🧾.

## 🎏 💽 🆎

📥 🌖 📊 🆎 👆 💪 ⚙️:

* `UUID`:
    * 🐩 "⭐ 😍 🆔", ⚠ 🆔 📚 💽 & ⚙️.
    * 📨 & 📨 🔜 🎨 `str`.
* `datetime.datetime`:
    * 🐍 `datetime.datetime`.

from typing import Union

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,

from pydantic import BaseModel
from typing_extensions import Annotated

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(
    *,
    item_id: int,