**Bug Report**

- What is the issue you have?

- Please describe the steps to reproduce the issue. Can you provide a small but working code example?

- What is the expected behavior?

- And what is the actual behavior instead?

- Which compiler and operating system are you using? Is it a [supported compiler](https://github.com/nlohmann/json#supported-compilers)?

- Did you use a released version of the library or the version from the `develop` branch?

- If you experience a compilation error: can you [compile and run the unit tests](https://github.com/nlohmann/json#execute-unit-tests)?


**Feature Request**

- Describe the feature in as much detail as possible.

- Include sample usage where appropriate.