Simple example to create a view does not work

[bradleysmith]

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Please create a new issue only if you think you have found a bug or if have a feature request/enhancement.

Describe the bug Following the instructions here:

https://github.com/drogonframework/drogon/wiki/ENG-06-View

when you come to build you get this error:

/build/ListParameters.cc: In member function ‘virtual std::string ListParameters::genText(const drogon::DrTemplateData&)’: /home/brad/work/1001_drogon/build/ListParameters.cc:22:87: error: ‘utils’ was not declared in this scope

auto para=ListParameters_view_data.get<std::unordered_map<std::string,std::string,utils::internal::SafeStringHash>>("parameters");

To Reproduce Steps to reproduce the behavior:

1. Modify main.cc as described
2. Past the supplied csp code into the named file
3. Perform the create view
4. navigate to build folder
5. run new cmake
6. run make

Expected behavior Code compiles

Desktop (please complete the following information):

• OS: Debian 12
• Browser Firefox
• Version 1.9.7

[bradleysmith]

Duplicate of https://github.com/drogonframework/drogon/issues/1963