[Solved] unqualified id before a friend function [closed]

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First let’s simplify the problem to a Minimal Complete and Verifiable example that duplicates the problem:

int try;

Not much code is required because try is a reserved word. You cannot use try in a program without the compiler expecting a try/catch` block.

Solution: Do not use try as an identifier. Instead use try_func or something that describes what is being tried.

Additional note: showData() needs a return type. Most likely it should be void showData()

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solved unqualified id before a friend function [closed]