{"Trim", []byte{'a', 'a'}, "a", nil},
	{"Trim", []byte{'a'}, "ab", nil},
	{"Trim", []byte{'a', 'b'}, "ab", nil},
	{"Trim", []byte("☺"), "☺", nil},
	{"TrimLeft", nil, "", nil},
	{"TrimLeft", []byte{}, "", nil},
	{"TrimLeft", []byte{'a'}, "a", nil},
	{"TrimLeft", []byte{'a', 'a'}, "a", nil},
	{"TrimLeft", []byte{'a'}, "ab", nil},
	{"TrimLeft", []byte{'a', 'b'}, "ab", nil},
	{"TrimLeft", []byte("☺"), "☺", nil},

			t.Errorf("Write: got (%d, %v), want (%d, %v)", n, err, want, nil)
		}
		check(t, "TestBasicOperations (4)", &buf, "a")

		buf.WriteByte(testString[1])
		check(t, "TestBasicOperations (5)", &buf, "ab")

		n, err = buf.Write(testBytes[2:26])
		if want := 24; err != nil || n != want {
			t.Errorf("Write: got (%d, %v), want (%d, %v)", n, err, want, nil)
		}

		tests: []testFnc{
			testRemaining{8, 5},
			testWrite{"ab\x00\x00\x00cde", 8, nil},
			testWrite{"a", 0, ErrWriteTooLong},
			testRemaining{0, 0},
		},
	}, {
		maker: makeSparse{makeReg{5, "abcde"}, sparseHoles{{2, 3}}, 8},
		tests: []testFnc{
			testWrite{"ab\x00\x00\x00cdez", 8, ErrWriteTooLong},
			testRemaining{0, 0},
		},
	}, {

0000340 99 a4 25 72 85 49 2c be 0b 5b af 8f e5 6e 81 a6
0000350 a3 5a 6f 39 53 3a ab 7a 8b 1e 26 f7 46 6c 7d 26
0000360 53 b3 22 31 94 d3 83 f2 18 4d f5 92 33 27 53 97
0000370 0f d3 e6 55 9c a6 c5 31 87 6f d3 f3 ae 39 6f 56
0000380 10 7b ab 7e d0 b4 ca f2 b8 05 be 3f 0e 6e 5a 75
0000390 ab 0c f5 37 0e ba 8e 75 71 7a aa ed 7a dd 6a 63
00003a0 be 9b a0 97 27 6a 6f e7 d3 8b c4 7c ec d3 91 56

}

func ExampleBuffer_Next() {
	var b bytes.Buffer
	b.Grow(64)
	b.Write([]byte("abcde"))
	fmt.Printf("%s\n", b.Next(2))
	fmt.Printf("%s\n", b.Next(2))
	fmt.Printf("%s", b.Next(2))
	// Output:
	// ab
	// cd
	// e
}

func ExampleBuffer_Read() {
	var b bytes.Buffer
	b.Grow(64)
	b.Write([]byte("abcde"))
	rdbuf := make([]byte, 1)
	n, err := b.Read(rdbuf)
	if err != nil {
		panic(err)
	}

</p>

<p>
For instance, given the declarations
</p>

<pre>
var x = I(T{}).ab()   // x has an undetected, hidden dependency on a and b
var _ = sideEffect()  // unrelated to x, a, or b
var a = b
var b = 42

type I interface      { ab() []int }
type T struct{}
func (T) ab() []int   { return []int{a, b} }
</pre>

<p>

</p>

<p>
For instance, given the declarations
</p>

<pre>
var x = I(T{}).ab()   // x has an undetected, hidden dependency on a and b
var _ = sideEffect()  // unrelated to x, a, or b
var a = b
var b = 42

type I interface      { ab() []int }
type T struct{}
func (T) ab() []int   { return []int{a, b} }
</pre>

<p>