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Add macro arithmetic #13

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20 changes: 16 additions & 4 deletions example.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
/*
* Compile with `gcc -E example.c` to see the preprocessor output.
/* Compile with `gcc -E example.c` to see the preprocessor output.
*/
#include "map.h"

Expand All @@ -26,10 +25,23 @@ MAP_UD(PRINT_STREAM, stderr, 1, 2, 3, 4, 5)
/* Pass user-defined data to each list invocation */
#define INVOKE(x, fun) fun(x)
int arr [] = { MAP_LIST_UD(INVOKE, map, 1, 2, 3, 4, 5) };

MAP_INC(1,2,3,4)
MAP_INC(MAP_INC(1,2,3,4))
/* Pass user-defined data and an index to each invocation */
#define PRINT_STREAM_I(x, stream, index) fprintf (stream, "%d: %d\n", index, x);
MAP_UD_I(PRINT_STREAM_I, stderr, 1, 2, 3, 4, 5)
MAP_UD_I(PRINT_STREAM_I, stderr,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
51, 52, 53, 54, 55, 56, 57, 58, 59, 60,
61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
71, 72, 73, 74, 75, 76, 77, 78, 79, 80,
81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
91, 92, 93, 94, 95, 96, 97, 98, 99, 100,
101, 102, 103, 104, 105, 106, 107, 108, 109
)

/* Pass user-defined data and an index to each list invocation */
#define INVOKE_I(x, fun, index) fun(index, x)
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