I’m a tad confused between what is and is not a Constant Expression in C, even after much Googleing. Could you provide an example of something which is, and which is not, a Constant Expression in C?
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I’m a tad confused between what is and is not a Constant Expression in C, even after much Googleing. Could you provide an example of something which is, and which is not, a Constant Expression in C?
A constant expression can be evaluated at compile time. That means it has no variables in it. For example:
is a constant expression. Something like:
is not, assuming
someNumberis a variable (ie, not itself a compile-time constant).