hash()
public
Return hash value corresponding to proc body.
static VALUE
proc_hash(VALUE self)
{
st_index_t hash;
rb_proc_t *proc;
GetProcPtr(self, proc);
hash = rb_hash_start((st_index_t)proc->block.iseq);
hash = rb_hash_uint(hash, (st_index_t)proc->envval);
hash = rb_hash_uint(hash, (st_index_t)proc->block.lfp >> 16);
hash = rb_hash_end(hash);
return LONG2FIX(hash);
}