Aurora ForEach Implements various AU_FOR_EACH_n X-style macros that accept a macro of N parameters
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AuroraForEach

Implements a AU_FOR_EACH_n X-style macro that accepts a macro parameter where 'N' is the input parameters of the macro

Example

#define HELLO_WORLD(that, n)  that n
#define COUNT_TO_9      AU_FOR_EACH_THAT(HELLO_WORLD, int, 1, 2, 3, 4, 5, 6, 7, 8, 9)
     
const char *kCountTo9 = AU_STRINGIFY(COUNT_TO_9); // generic what macro
assert(strcmp(kCountTo9, "int 1 int 2 int 3 int 4 int 5 int 6 int 7 int 8 int 9") == 0);
#define HELLO_WORLD(n)  n
#define COUNT_TO_9      AU_FOR_EACH(HELLO_WORLD, 1, 2, 3, 4, 5, 6, 7, 8, 9)
     
const char *kCountTo9 = AU_STRINGIFY(COUNT_TO_9); // generic what macro
assert(strcmp(kCountTo9, "1 2 3 4 5 6 7 8 9") == 0);
#define HELLO_WORLD(n)        , n
#define HELLO_WORLD_FIRST(n)  0, n
#define COUNT_TO_9      AU_FOR_EACH_FIRST(HELLO_WORLD_FIRST, HELLO_WORLD, 1, 2, 3, 4, 5, 6, 7, 8, 9)
     
const char *kCountTo9 = AU_STRINGIFY(COUNT_TO_9); // generic what macro
assert(strcmp(kCountTo9, "0, 1, 2, 3, 4, 5, 6, 7, 8, 9") == 0);

Note, simple tests akin to the above examples may fail due to whitespace padding.

Users

License

Public Domain or Unlicense

Credit

Based on