public static <T> StreamEx<T> constant(T value, long length) {
        return of(new ConstSpliterator.OfRef<>(value, length, false));
    }
public static < T > StreamEx < T > constant ( T value , long length ) { return of ( new ConstSpliterator . OfRef < > ( value , length , false ) ) ; }
Returns a sequential unordered {@code StreamEx} of given length which
elements are equal to supplied value.

@param <T> the type of stream elements
@param value the constant value
@param length the length of the stream
@return a new {@code StreamEx}
@since 0.1.2