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📝 Add docs recommending Union over Optional and migrate source examples (#4908)

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* 📝 Add docs recommending Union over Optional

* 📝 Update docs recommending Union over Optional

* 📝 Update source examples for docs, recommend Union over Optional

* 📝 Update highlighted lines with updated source examples

* 📝 Update highlighted lines in Markdown with recent code changes

* 📝 Update docs, use Union instead of Optional

* ♻️ Update source examples to recommend Union over Optional

* 🎨 Update highlighted code in Markdown after moving from Optional to Union
This commit is contained in:
Sebastián Ramírez
2022-05-14 06:59:59 -05:00
committed by GitHub
parent c5be1b0550
commit ca437cdfab
131 changed files with 489 additions and 426 deletions
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6
docs_src/dataclasses/tutorial002.py
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@@ -1,5 +1,5 @@
from dataclasses import dataclass, field
from typing import List, Optional
from typing import List, Union
from fastapi import FastAPI
@@ -9,8 +9,8 @@ class Item:
name: str
price: float
tags: List[str] = field(default_factory=list)
description: Optional[str] = None
tax: Optional[float] = None
description: Union[str, None] = None
tax: Union[float, None] = None
app = FastAPI()