If my question seems familiar, it's virtually a copy from a post by guy_c a year ago. But his solution doesn't work for me. My reason for asking is the same; because I want zero warnings. Can someone please help me understand why does the compiler complain that my variable may be uninitialized? I…

The difference is the default case that makes sure, that digit3 always gets a value, that is not the case for the first switch, that sets digit1. So the compiler sees a flow of execution, that leaves digit1 uninitialized when used.

Warning digit1 may be used uninitialized in this function

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SteveMann November 10, 2021, 6:37pm 7

This makes sense, but why don't I get the same warning for digit3?

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Warning digit1 may be used uninitialized in this function

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