/* * call-seq: * hsh.empty? => true or false * * Returns <code>true</code> if <i>hsh</i> contains no key-value pairs. * * {}.empty? #=> true * */ static VALUE rb_hash_empty_p(hash) VALUE hash; { if (RHASH(hash)->tbl->num_entries == 0) return Qtrue; return Qfalse; }