Exercise: PImpl Idiom

Test your understanding of the PImpl idiom.

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Problem statement

You’re given a PublicClass interface and a PImplClass. Your task is to define an opaque pointer in the PublicClass that will point to its PImplClass implementation class. You need to ensure that when the code in the following widget runs, it shows the following messages on the screen:


Coding challenge

Refer to this hint if you get stumped while solving this challenge.

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