// onjava/Count.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Generate incremental values of different types
package onjava;
import java.util.*;
import java.util.function.*;
import static onjava.ConvertTo.*;

public interface Count {
 class Boolean
 implements Supplier<java.lang.Boolean> {
 private boolean b = true;
 @Override
 public java.lang.Boolean get() {
 b = !b;
 return java.lang.Boolean.valueOf(b);
 }
 public java.lang.Boolean get(int n) {
 return get();
 }
 public java.lang.Boolean[] array(int sz) {
 java.lang.Boolean[] result =
 new java.lang.Boolean[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Pboolean {
 private boolean b = true;
 public boolean get() {
 b = !b;
 return b;
 }
 public boolean get(int n) { return get(); }
 public boolean[] array(int sz) {
 return primitive(new Boolean().array(sz));
 }
 }
 class Byte
 implements Supplier<java.lang.Byte> {
 private byte b;
 @Override
 public java.lang.Byte get() { return b++; }
 public java.lang.Byte get(int n) {
 return get();
 }
 public java.lang.Byte[] array(int sz) {
 java.lang.Byte[] result =
 new java.lang.Byte[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Pbyte {
 private byte b;
 public byte get() { return b++; }
 public byte get(int n) { return get(); }
 public byte[] array(int sz) {
 return primitive(new Byte().array(sz));
 }
 }
 char[] CHARS =
 "abcdefghijklmnopqrstuvwxyz".toCharArray();
 class Character
 implements Supplier<java.lang.Character> {
 private int i;
 @Override
 public java.lang.Character get() {
 i = (i + 1) % CHARS.length;
 return CHARS[i];
 }
 public java.lang.Character get(int n) {
 return get();
 }
 public java.lang.Character[] array(int sz) {
 java.lang.Character[] result =
 new java.lang.Character[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Pchar {
 private int i;
 public char get() {
 i = (i + 1) % CHARS.length;
 return CHARS[i];
 }
 public char get(int n) { return get(); }
 public char[] array(int sz) {
 return primitive(new Character().array(sz));
 }
 }
 class Short
 implements Supplier<java.lang.Short> {
 short s;
 @Override
 public java.lang.Short get() { return s++; }
 public java.lang.Short get(int n) {
 return get();
 }
 public java.lang.Short[] array(int sz) {
 java.lang.Short[] result =
 new java.lang.Short[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Pshort {
 short s;
 public short get() { return s++; }
 public short get(int n) { return get(); }
 public short[] array(int sz) {
 return primitive(new Short().array(sz));
 }
 }
 class Integer
 implements Supplier<java.lang.Integer> {
 int i;
 @Override
 public java.lang.Integer get() { return i++; }
 public java.lang.Integer get(int n) {
 return get();
 }
 public java.lang.Integer[] array(int sz) {
 java.lang.Integer[] result =
 new java.lang.Integer[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Pint implements IntSupplier {
 int i;
 public int get() { return i++; }
 public int get(int n) { return get(); }
 @Override
 public int getAsInt() { return get(); }
 public int[] array(int sz) {
 return primitive(new Integer().array(sz));
 }
 }
 class Long
 implements Supplier<java.lang.Long> {
 private long l;
 @Override
 public java.lang.Long get() { return l++; }
 public java.lang.Long get(int n) {
 return get();
 }
 public java.lang.Long[] array(int sz) {
 java.lang.Long[] result =
 new java.lang.Long[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Plong implements LongSupplier {
 private long l;
 public long get() { return l++; }
 public long get(int n) { return get(); }
 @Override
 public long getAsLong() { return get(); }
 public long[] array(int sz) {
 return primitive(new Long().array(sz));
 }
 }
 class Float
 implements Supplier<java.lang.Float> {
 private int i;
 @Override
 public java.lang.Float get() {
 return java.lang.Float.valueOf(i++);
 }
 public java.lang.Float get(int n) {
 return get();
 }
 public java.lang.Float[] array(int sz) {
 java.lang.Float[] result =
 new java.lang.Float[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Pfloat {
 private int i;
 public float get() { return i++; }
 public float get(int n) { return get(); }
 public float[] array(int sz) {
 return primitive(new Float().array(sz));
 }
 }
 class Double
 implements Supplier<java.lang.Double> {
 private int i;
 @Override
 public java.lang.Double get() {
 return java.lang.Double.valueOf(i++);
 }
 public java.lang.Double get(int n) {
 return get();
 }
 public java.lang.Double[] array(int sz) {
 java.lang.Double[] result =
 new java.lang.Double[sz];
 Arrays.setAll(result, n -> get());
 return result;
 }
 }
 class Pdouble implements DoubleSupplier {
 private int i;
 public double get() { return i++; }
 public double get(int n) { return get(); }
 @Override
 public double getAsDouble() { return get(0); }
 public double[] array(int sz) {
 return primitive(new Double().array(sz));
 }
 }
}