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C Programming
Table of "safe" methods to suppress "unused parameter" warnings?
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<blockquote data-quote="Kaz Kylheku" data-source="post: 5151541"><p>(void) x works even if x is a struct. Though the standard doesn't seem</p><p>to spell it out, any expression can be converted to void, which results</p><p>in a "void expression" that is evaluated for its side effects only.</p><p></p><p>Also, the void type is the only non-scalar type that may be used in a cast.</p><p>Furthermore, the constraint that the operand be scalar does not apply</p><p>if the cast is to (void).</p></blockquote><p></p>
[QUOTE="Kaz Kylheku, post: 5151541"] (void) x works even if x is a struct. Though the standard doesn't seem to spell it out, any expression can be converted to void, which results in a "void expression" that is evaluated for its side effects only. Also, the void type is the only non-scalar type that may be used in a cast. Furthermore, the constraint that the operand be scalar does not apply if the cast is to (void). [/QUOTE]
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Table of "safe" methods to suppress "unused parameter" warnings?
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