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Update README.md #20

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28 changes: 28 additions & 0 deletions README.md
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Expand Up @@ -762,3 +762,31 @@ bool RequestIsValid(int id)
```
Visual Studio shortcut : CRTL+R+G
```

### Don't return null collection in your code:

```
public IEnumerable<User> GetUsers()
{
if (SomeConditions())
{
return null;
}

return Data;
}
```

👍 Do use Enumerable.Empty instead:

```
public IEnumerable<User> GetUsers()
{
if (SomeConditions())
{
return Enumerable.Empty<User>();
}

return Data;
}
```