ipv4Public := net.ParseIP("8.8.8.8")
	ipv4Broadcast := net.ParseIP("255.255.255.255")

	fmt.Println(ipv6Global.IsGlobalUnicast())
	fmt.Println(ipv6UniqLocal.IsGlobalUnicast())
	fmt.Println(ipv6Multi.IsGlobalUnicast())

	fmt.Println(ipv4Private.IsGlobalUnicast())
	fmt.Println(ipv4Public.IsGlobalUnicast())
	fmt.Println(ipv4Broadcast.IsGlobalUnicast())

	// Output:
	// true
	// true
	// false
	// true

	b16 = strconv.AppendUint(b16, 42, 16)
	fmt.Println(string(b16))

	// Output:
	// uint (base 10):42
	// uint (base 16):2a
}

func ExampleAtoi() {
	v := "10"
	if s, err := strconv.Atoi(v); err == nil {
		fmt.Printf("%T, %v", s, s)
	}

	// Output:
	// int, 10
}

func ExampleCanBackquote() {
	fmt.Println(strconv.CanBackquote("Fran & Freddie's Diner ☺"))

					fmt.Fprintf(w, "\ty = %d\n", d)
					fmt.Fprintf(w, "\tr = x %s y\n", o.symbol)
					want := ansS(c, d, s.name, o.symbol)
					fmt.Fprintf(w, "\tif r != %s {\n", want)
					fmt.Fprintf(w, "\t\tt.Errorf(\"%d %%s %d = %%d, want %s\", %q, r)\n", c, d, want, o.symbol)
					fmt.Fprintf(w, "\t}\n")
				}
			}
			fmt.Fprintf(w, "}\n")
		}
	}

	// Special signed/unsigned cases for shifts
	for _, ls := range szs {

	fmt.Printf("%.2f\n", math.Dim(4, -2))
	fmt.Printf("%.2f\n", math.Dim(-4, 2))
	// Output:
	// 6.00
	// 0.00
}

func ExampleExp() {
	fmt.Printf("%.2f\n", math.Exp(1))
	fmt.Printf("%.2f\n", math.Exp(2))
	fmt.Printf("%.2f\n", math.Exp(-1))
	// Output:
	// 2.72
	// 7.39
	// 0.37
}

func ExampleExp2() {
	fmt.Printf("%.2f\n", math.Exp2(1))
	fmt.Printf("%.2f\n", math.Exp2(-3))
	// Output:

	// test len
	if len(mib) != count {
		panic(fmt.Sprintf("len(mib) = %d\n", len(mib)))
	}
	if len(mii) != count {
		panic(fmt.Sprintf("len(mii) = %d\n", len(mii)))
	}
	if len(mfi) != count {
		panic(fmt.Sprintf("len(mfi) = %d\n", len(mfi)))
	}
	if len(mif) != count {
		panic(fmt.Sprintf("len(mif) = %d\n", len(mif)))
	}
	if len(msi) != count {
		panic(fmt.Sprintf("len(msi) = %d\n", len(msi)))
	}

	grow := slices.Grow(numbers, 2)
	fmt.Println(cap(numbers))
	fmt.Println(grow)
	fmt.Println(len(grow))
	fmt.Println(cap(grow))
	// Output:
	// 4
	// [0 42 -10 8]
	// 4
	// 8
}

func ExampleClip() {
	a := [...]int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
	s := a[:4:10]
	clip := slices.Clip(s)
	fmt.Println(cap(s))
	fmt.Println(clip)
	fmt.Println(len(clip))
	fmt.Println(cap(clip))
	// Output:

	fmt.Println(a.Split("banana", 1))
	fmt.Println(a.Split("banana", 2))
	zp := regexp.MustCompile(`z+`)
	fmt.Println(zp.Split("pizza", -1))
	fmt.Println(zp.Split("pizza", 0))
	fmt.Println(zp.Split("pizza", 1))
	fmt.Println(zp.Split("pizza", 2))
	// Output:
	// [b n n ]
	// []
	// [banana]
	// [b nana]
	// [pi a]
	// []
	// [pizza]
	// [pi a]
}

func ExampleRegexp_Expand() {

		// type for test
		fmt.Fprintf(w, "type Z%du1 struct {\n", s)
		fmt.Fprintf(w, "  b   bool\n")
		fmt.Fprintf(w, "  val [%d]byte\n", s)
		fmt.Fprintf(w, "}\n")

		fmt.Fprintf(w, "type Z%du2 struct {\n", s)
		fmt.Fprintf(w, "  i   uint16\n")
		fmt.Fprintf(w, "  val [%d]byte\n", s)
		fmt.Fprintf(w, "}\n")

		// function being tested
		fmt.Fprintf(w, "//go:noinline\n")
		fmt.Fprintf(w, "func zero%du1_ssa(t *Z%du1) {\n", s, s)

			nil,
		},
		{
			aggregate{fmt.Errorf("abc")},
			aggregate{fmt.Errorf("abc")},
		},
		{
			aggregate{fmt.Errorf("abc"), fmt.Errorf("def"), fmt.Errorf("ghi")},
			aggregate{fmt.Errorf("abc"), fmt.Errorf("def"), fmt.Errorf("ghi")},
		},
		{
			aggregate{aggregate{fmt.Errorf("abc")}},
			aggregate{fmt.Errorf("abc")},
		},
		{
			aggregate{aggregate{aggregate{fmt.Errorf("abc")}}},

	fmt.Println("runes =", utf8.RuneCountInString(str))
	// Output:
	// bytes = 13
	// runes = 9
}

func ExampleRuneLen() {
	fmt.Println(utf8.RuneLen('a'))
	fmt.Println(utf8.RuneLen('界'))
	// Output:
	// 1
	// 3
}

func ExampleRuneStart() {
	buf := []byte("a界")
	fmt.Println(utf8.RuneStart(buf[0]))
	fmt.Println(utf8.RuneStart(buf[1]))
	fmt.Println(utf8.RuneStart(buf[2]))
	// Output:
	// true