#import <Foundation/Foundation.h>

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Macros
#define	ARDimOf(array) (sizeof(array)/sizeof((array)[0]))
	Answers the number of elements in the given array, the array's dimension.

Macro Definition Documentation

#define ARDimOf ( array ) (sizeof(array)/sizeof((array)[0]))

Answers the number of elements in the given array, the array's dimension.

Parameters

array A standard C array of fixed-sized elements.

Assumes that the array argument is a standard C-style array where the compiler can assess the number of elements by dividing the size of the entire array by the size of its elements; the answer always equals an integer since array size is a multiple of element size. Both measurements must be static, otherwise the compiler cannot supply a fixed integer dimension. The implementation wraps the argument in parenthesis in order to enforce the necessary operator precedence.

Note: Beware of side effects if you pass operators in the array expression. The macro argument evaluates twice.

Definition at line 40 of file ARMacros.h.