diff options
| -rw-r--r-- | include/stc/algo/coroutine.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/stc/algo/coroutine.h b/include/stc/algo/coroutine.h index a2496d25..e0cf5488 100644 --- a/include/stc/algo/coroutine.h +++ b/include/stc/algo/coroutine.h @@ -66,9 +66,9 @@ enum { #define cco_initial(co) ((co)->cco_state == 0) #define cco_done(co) ((co)->cco_state == cco_state_done) -/* Always use { } after cco_switch(x), cco_case(val), and cco_default. */ -#define cco_switch(x) for (intmax_t _sw = (intmax_t)(x), _once=1; _once; _once=0) -#define cco_case(val) if (_sw == (intmax_t)(val)) +/* Emulate switch in coro: always use { } after cco_case(val) and cco_default. */ +#define cco_switch(x) for (long long _sw = (long long)(x), _b=0; !_b; _b=1) +#define cco_case(val) if (_b |= _sw == (val)) #define cco_default #define cco_routine(co) \ |