fmt64 := strconv.FormatFloat(v, 'g', -1, 64)
	fmt.Printf("%T, %v\n", fmt64, fmt64)

	// Output:
	// string, 3.1415927E+00
	// string, 3.1415926535E+00
	// string, 3.1415926535
}

func ExampleFormatInt() {
	v := int64(-42)

	s10 := strconv.FormatInt(v, 10)
	fmt.Printf("%T, %v\n", s10, s10)

	s16 := strconv.FormatInt(v, 16)
	fmt.Printf("%T, %v\n", s16, s16)

	// Output:
	// string, -42