/* * call-seq: * dvector.join(sep=" ") -> a_string * * Returns a string created by converting each element of the vector to * a string, separated by <i>sep</i>. * * Dvector[ 1, 2, 3 ].join -> "1 2 3" * Dvector[ 1, 2, 3 ].join("-") -> "1-2-3" */ VALUE dvector_join_m(int argc, VALUE *argv, VALUE ary) {