Solution: Proxy (Rounding Thermometer)
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.. contents::
   :local:

Rounding Sensor (Proxy) Implementation
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.. literalinclude:: /trainings/material/soup/cxx/cxx-code/design-patterns-proxy/sensors/sensor-round.h
   :caption: :download:`/trainings/material/soup/cxx/cxx-code/design-patterns-proxy/sensors/sensor-round.h`
   :language: c++