Created
May 29, 2021 18:10
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is-const tester
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| #include <stdbool.h> | |
| #include <stdio.h> | |
| #define is_const(a) \ | |
| _Generic((a), \ | |
| const typeof(a): true, \ | |
| default: false) | |
| int | |
| main(void) | |
| { | |
| const int a = 0; | |
| int b = 0; | |
| if (is_const(a)) | |
| printf("a is const\n"); | |
| if (is_const(b)) | |
| printf("b is const\n"); | |
| return 0; | |
| } | |
| // vim:fenc=utf-8:tw=75:noet |
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| random:~/devel/local/test$ gcc -Og -std=gnu2x -Wall -Wextra -Werror -o is-const is-const.c | |
| random:~/devel/local/test$ ./is-const | |
| random:~/devel/local/test$ |
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