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TylerMSFT merged 1 commit into from
Sep 25, 2023
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Add example for C2049 #4722

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18 changes: 18 additions & 0 deletions docs/error-messages/compiler-errors-1/compiler-error-c2049.md
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Expand Up @@ -12,3 +12,21 @@ helpviewer_keywords: ["C2049"]
The **`inline`** keyword may be used on a namespace definition extension only if it was also used on the original namespace definition.

To resolve this issue, make the use of the **`inline`** specifier consistent across all parts of the namespace.

The following sample generates C2049:

```cpp
// C2049.cpp
namespace ns {}

inline namespace ns {} // C2049
```

Possible resolution:

```cpp
// C2049b.cpp
namespace ns {}

namespace ns {}
```