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It appears to be a GNU C extension: https://gcc.gnu.org/onlinedocs/gcc/Case-Ranges.html https://gcc.gnu.org/onlinedocs/gcc/Case-Ranges.html but I couldn't find
by dekhn 2y ago
It appears to be a GNU C extension: https://gcc.gnu.org/onlinedocs/gcc/Case-Ranges.html https://gcc.gnu.org/onlinedocs/gcc/Case-Ranges.html but I couldn't find the history of the extension. I believe it is not in standard C (not sure about clang).