public void addAll(final Collection<? extends Sample<? extends T>> samples) {
		samples.forEach(Objects::requireNonNull);
		_buffer.addAll(samples);
	}
The given sample points to the buffer.  <em>You need to explicitly
call {@link #publish()} to make it available for the {@link #eval(Tree)}
method.</em>

@param samples the samples to add to the buffer
@throws NullPointerException if the given {@code samples} is {@code null}
jenetics.prog/src/main/java/io/jenetics/prog/regression/SampleBuffer.java