IsaacShoebottom/foreach-c
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Add some documentation

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Isaac Shoebottom 2023-11-17 12:51:26 -04:00
parent 001e3638fe
commit 27b42b6ed1
1 changed files with 11 additions and 9 deletions
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foreach.h
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@ -1,9 +1,11 @@
#pragma once #pragma once
// Will determine the size of an array only if it is declared on the stack // Will determine the size of an array only if it is declared on the stack
// Need to dereference the item, as it is a pointer to the current element
#define foreach(type, item, array) \ #define foreach(type, item, array) \
for (type* item = array; item < array + (sizeof(array) / sizeof(type)); item++) for (type* item = array; item < array + (sizeof(array) / sizeof(type)); item++)
// Need to pass in the size of the array, since heap allocated arrays don't work with sizeof // Need to pass in the size of the array, since heap allocated arrays don't work with sizeof
// Need to dereference the item, as it is a pointer to the current element
#define foreach_p(type, item, array, size) \ #define foreach_p(type, item, array, size) \
for (type* item = array; item < array + size; item++) for (type* item = array; item < array + size; item++)