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NSAssert and Unused Variable

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NSAssert and Unused Variable

Subject: NSAssert and Unused Variable
From: Richard Somers <email@hidden>
Date: Wed, 2 Apr 2008 18:03:11 -0600

I use a function which returns an error code. The error variable is used in a NSAssert.

    int error = foo();
    NSAssert(error == 0, @"We have an assertion failure!");

The NSAssert complies out in the release configuration by using the preprocessor macro NS_BLOCK_ASSERTIONS. This results in a warning: unused variable "error".

Do most programmers turn off the unused variable warnings or do something else to get this to work.

Regards, Richard

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