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#include <ruby.h>
#include <ruby/st.h>
static int
update_func(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
{
VALUE ret = rb_yield_values(existing ? 2 : 1, (VALUE)*key, (VALUE)*value);
switch (ret) {
case Qfalse:
return ST_STOP;
case Qnil:
return ST_DELETE;
default:
*value = ret;
return ST_CONTINUE;
}
}
static VALUE
test_st_update(VALUE self, VALUE key)
{
if (st_update(RHASH_TBL(self), (st_data_t)key, update_func, 0))
return Qtrue;
else
return Qfalse;
}
void
Init_update(void)
{
VALUE st = rb_define_class_under(rb_define_module("Bug"), "StTable", rb_cHash);
rb_define_method(st, "st_update", test_st_update, 1);
}
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