First code example in doc/introduction.adoc does not compile about ureact HOT 5 CLOSED

Actually, it turns out to be a bug in Visual Studio. Intellisense was showing the error, but it compiled with no errors. I had to rebuild the intellisense database to have VS recognize the symbols.

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#include <ureact/signal.hpp>
#include <ureact/adaptor/lift.hpp>

using namespace ureact;
using namespace ureact::default_context;

Are omitted. It is not clearly mentioned anywhere and I fixed some of similar cases in the dev branch. But doc/introduction.adoc is not fixed yet even in dev. Thanks for the mentioning.

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I've updated my comment with the changed code (after your reply). The namespace ureact is undefined using the includes shown in the first comment.

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Could you provide the exact error messages? It is very strange if includes are found, but they are no provide the ureact namespace

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If you use ureact in MSVC without CMake, only passing include directory, then you might be missing "/Zc:__cplusplus" flag.
Ureact used __cplusplus for standard detection, but MSVC reports the wrong version by default. See
https://devblogs.microsoft.com/cppblog/msvc-now-correctly-reports-__cplusplus/

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