How to use Read method of stream Package

Best Toxiproxy code snippet using stream.Read

example_test.go

Source:example_test.go

...11	"os"12	"strings"13)14func ExampleCopy() {15	r := strings.NewReader("some io.Reader stream to be read\n")16	if _, err := io.Copy(os.Stdout, r); err != nil {17		log.Fatal(err)18	}19	// Output:20	// some io.Reader stream to be read21}22func ExampleCopyBuffer() {23	r1 := strings.NewReader("first reader\n")24	r2 := strings.NewReader("second reader\n")25	buf := make([]byte, 8)26	// buf is used here...27	if _, err := io.CopyBuffer(os.Stdout, r1, buf); err != nil {28		log.Fatal(err)29	}30	// ... reused here also. No need to allocate an extra buffer.31	if _, err := io.CopyBuffer(os.Stdout, r2, buf); err != nil {32		log.Fatal(err)33	}34	// Output:35	// first reader36	// second reader37}38func ExampleCopyN() {39	r := strings.NewReader("some io.Reader stream to be read")40	if _, err := io.CopyN(os.Stdout, r, 5); err != nil {41		log.Fatal(err)42	}43	// Output:44	// some45}46func ExampleReadAtLeast() {47	r := strings.NewReader("some io.Reader stream to be read\n")48	buf := make([]byte, 33)49	if _, err := io.ReadAtLeast(r, buf, 4); err != nil {50		log.Fatal(err)51	}52	fmt.Printf("%s\n", buf)53	// buffer smaller than minimal read size.54	shortBuf := make([]byte, 3)55	if _, err := io.ReadAtLeast(r, shortBuf, 4); err != nil {56		fmt.Println("error:", err)57	}58	// minimal read size bigger than io.Reader stream59	longBuf := make([]byte, 64)60	if _, err := io.ReadAtLeast(r, longBuf, 64); err != nil {61		fmt.Println("error:", err)62	}63	// Output:64	// some io.Reader stream to be read65	//66	// error: short buffer67	// error: EOF68}69func ExampleReadFull() {70	r := strings.NewReader("some io.Reader stream to be read\n")71	buf := make([]byte, 4)72	if _, err := io.ReadFull(r, buf); err != nil {73		log.Fatal(err)74	}75	fmt.Printf("%s\n", buf)76	// minimal read size bigger than io.Reader stream77	longBuf := make([]byte, 64)78	if _, err := io.ReadFull(r, longBuf); err != nil {79		fmt.Println("error:", err)80	}81	// Output:82	// some83	// error: unexpected EOF84}85func ExampleWriteString() {86	io.WriteString(os.Stdout, "Hello World")87	// Output: Hello World88}89func ExampleLimitReader() {90	r := strings.NewReader("some io.Reader stream to be read\n")91	lr := io.LimitReader(r, 4)92	if _, err := io.Copy(os.Stdout, lr); err != nil {93		log.Fatal(err)94	}95	// Output:96	// some97}98func ExampleMultiReader() {99	r1 := strings.NewReader("first reader ")100	r2 := strings.NewReader("second reader ")101	r3 := strings.NewReader("third reader\n")102	r := io.MultiReader(r1, r2, r3)103	if _, err := io.Copy(os.Stdout, r); err != nil {104		log.Fatal(err)105	}106	// Output:107	// first reader second reader third reader108}109func ExampleTeeReader() {110	r := strings.NewReader("some io.Reader stream to be read\n")111	var buf bytes.Buffer112	tee := io.TeeReader(r, &buf)113	printall := func(r io.Reader) {114		b, err := ioutil.ReadAll(r)115		if err != nil {116			log.Fatal(err)117		}118		fmt.Printf("%s", b)119	}120	printall(tee)121	printall(&buf)122	// Output:123	// some io.Reader stream to be read124	// some io.Reader stream to be read125}126func ExampleSectionReader() {127	r := strings.NewReader("some io.Reader stream to be read\n")128	s := io.NewSectionReader(r, 5, 17)129	if _, err := io.Copy(os.Stdout, s); err != nil {130		log.Fatal(err)131	}132	// Output:133	// io.Reader stream134}135func ExampleSectionReader_ReadAt() {136	r := strings.NewReader("some io.Reader stream to be read\n")137	s := io.NewSectionReader(r, 5, 16)138	buf := make([]byte, 6)139	if _, err := s.ReadAt(buf, 10); err != nil {140		log.Fatal(err)141	}142	fmt.Printf("%s\n", buf)143	// Output:144	// stream145}146func ExampleSectionReader_Seek() {147	r := strings.NewReader("some io.Reader stream to be read\n")148	s := io.NewSectionReader(r, 5, 16)149	if _, err := s.Seek(10, io.SeekStart); err != nil {150		log.Fatal(err)151	}152	buf := make([]byte, 6)153	if _, err := s.Read(buf); err != nil {154		log.Fatal(err)155	}156	fmt.Printf("%s\n", buf)157	// Output:158	// stream159}160func ExampleSeeker_Seek() {161	r := strings.NewReader("some io.Reader stream to be read\n")162	if _, err := io.Copy(os.Stdout, r); err != nil {163		log.Fatal(err)164	}165	r.Seek(15, io.SeekStart)166	if _, err := io.Copy(os.Stdout, r); err != nil {167		log.Fatal(err)168	}169	r.Seek(-5, io.SeekEnd)170	if _, err := io.Copy(os.Stdout, r); err != nil {171		log.Fatal(err)172	}173	// Output:174	// some io.Reader stream to be read175	// stream to be read176	// read177}178func ExampleMultiWriter() {179	r := strings.NewReader("some io.Reader stream to be read\n")180	var buf1, buf2 bytes.Buffer181	w := io.MultiWriter(&buf1, &buf2)182	if _, err := io.Copy(w, r); err != nil {183		log.Fatal(err)184	}185	fmt.Print(buf1.String())186	fmt.Print(buf2.String())187	// Output:188	// some io.Reader stream to be read189	// some io.Reader stream to be read190}191func ExamplePipe() {192	r, w := io.Pipe()193	go func() {194		fmt.Fprint(w, "some text to be read\n")195		w.Close()196	}()197	buf := new(bytes.Buffer)198	buf.ReadFrom(r)199	fmt.Print(buf.String())200	// Output:201	// some text to be read202}...

stream_test.go

Source:stream_test.go

...36		streamTestInputs.val3, streamTestInputs.val4)37	require.Nil(t, err)38	require.Equal(t, w.Data(), w2.Data())39}40func TestReadStream(t *testing.T) {41	r := NewReadStream(streamTestInputs.encoded)42	var val1 uint843	read, err := r.Read(&val1)44	require.Nil(t, err)45	require.Equal(t, read, 1)46	require.Equal(t, val1, streamTestInputs.val1)47	var val2 uint1648	read, err = r.Read(&val2)49	require.Nil(t, err)50	require.Equal(t, read, 2)51	require.Equal(t, val2, streamTestInputs.val2)52	var val3 streamTestVec53	read, err = r.Read(&val3)54	require.Nil(t, err)55	require.Equal(t, read, 5)56	require.Equal(t, val3, streamTestInputs.val3)57	var val4 uint3258	read, err = r.Read(&val4)59	require.Nil(t, err)60	require.Equal(t, read, 4)61	require.Equal(t, val4, streamTestInputs.val4)62	var val1a uint863	var val2a uint1664	var val3a streamTestVec65	var val4a uint3266	r2 := NewReadStream(streamTestInputs.encoded)67	read, err = r2.ReadAll(&val1a, &val2a, &val3a, &val4a)68	require.Nil(t, err)69	require.Equal(t, read, len(streamTestInputs.encoded))70	require.Equal(t, val1, val1a)71	require.Equal(t, val2, val2a)72	require.Equal(t, val3, val3a)73	require.Equal(t, val4, val4a)74}...

stream.go

Source:stream.go

...28	}29	return nil30}31///32/// ReadStream33///34type ReadStream struct {35	buffer []byte36	cursor int37}38func NewReadStream(data []byte) *ReadStream {39	return &ReadStream{data, 0}40}41func (s *ReadStream) Read(val interface{}) (int, error) {42	read, err := Unmarshal(s.buffer[s.cursor:], val)43	if err != nil {44		return 0, err45	}46	s.cursor += read47	return read, nil48}49func (s *ReadStream) ReadAll(vals ...interface{}) (int, error) {50	read := 051	for _, val := range vals {52		readHere, err := s.Read(val)53		if err != nil {54			return 0, err55		}56		read += readHere57	}58	return read, nil59}60func (s *ReadStream) Position() int {61	return s.cursor62}...

Read

Using AI Code Generation

1import (2func main() {3    buffer := make([]byte, 1024)4    n, err := stream.Read(buffer)5    if err != nil {6        fmt.Println(err)7    }8    fmt.Println(n, string(buffer))9}

Read

Using AI Code Generation

1import (2func main() {3	file, err := os.Open("test.txt")4	if err != nil {5		fmt.Println(err)6	}7	defer file.Close()8	reader := bufio.NewReader(file)9	for {10		line, err := reader.ReadString('11		if err != nil {12			if err == io.EOF {13			}14			fmt.Println(err)15		}16		fmt.Print(line)17	}18}19import (20func main() {21	file, err := os.Open("test.txt")22	if err != nil {23		fmt.Println(err)24	}25	defer file.Close()26	reader := bufio.NewReader(file)27	for {28		line, err := reader.ReadString('29		if err != nil {30			if err == io.EOF {31			}32			fmt.Println(err)33		}34		fmt.Print(line)35	}36}37import (38func main() {39	file, err := os.Open("test.txt")40	if err != nil {41		fmt.Println(err)42	}43	defer file.Close()44	reader := bufio.NewReader(file)45	for {46		line, err := reader.ReadString('47		if err != nil {48			if err == io.EOF {49			}50			fmt.Println(err)51		}52		fmt.Print(line)53	}54}

Read

Using AI Code Generation

1func main() {2    stream := newStream()3    stream.Write([]byte("Hello, World!"))4    fmt.Println(stream.Read(5))5    fmt.Println(stream.Read(5))6    fmt.Println(stream.Read(5))7}8func main() {9    stream := newStream()10    stream.Write([]byte("Hello, World!"))11    fmt.Println(stream.Read(5))12    fmt.Println(stream.Read(5))13    fmt.Println(stream.Read(5))14}15func main() {16    stream := newStream()17    stream.Write([]byte("Hello, World!"))18    fmt.Println(stream.Read(5))19    fmt.Println(stream.Read(5))20    fmt.Println(stream.Read(5))21}22func main() {23    stream := newStream()24    stream.Write([]byte("Hello, World!"))25    fmt.Println(stream.Read(5))26    fmt.Println(stream.Read(5))27    fmt.Println(stream.Read(5))28}29func main() {30    stream := newStream()31    stream.Write([]byte("Hello, World!"))32    fmt.Println(stream.Read(5))33    fmt.Println(stream.Read(5))34    fmt.Println(stream.Read(5))35}36func main() {37    stream := newStream()38    stream.Write([]byte("Hello, World!"))39    fmt.Println(stream.Read(5))40    fmt.Println(stream.Read(5))41    fmt.Println(stream.Read(5))42}43func main() {44    stream := newStream()45    stream.Write([]byte("Hello, World!"))46    fmt.Println(stream.Read(5))47    fmt.Println(stream.Read(5))48    fmt.Println(stream.Read(5))49}50func main() {51    stream := newStream()52    stream.Write([]byte("Hello, World!"))53    fmt.Println(stream.Read(5))54    fmt.Println(stream.Read(5))55    fmt.Println(stream.Read(5))56}

Read

Using AI Code Generation

1func main() {2    file, err := os.Open("C:\\Users\\user\\Desktop\\Go\\file.txt")3    if err != nil {4        fmt.Println(err)5    }6    defer file.Close()7    stream := bufio.NewReader(file)8    for {9        line, err := stream.ReadString('10        if err == io.EOF {11        }12        fmt.Println(line)13    }14}15func main() {16    file, err := os.Open("C:\\Users\\user\\Desktop\\Go\\file.txt")17    if err != nil {18        fmt.Println(err)19    }20    defer file.Close()21    stream := bufio.NewReader(file)22    for {23        line, err := stream.ReadString('24        if err == io.EOF {25        }26        fmt.Println(line)27    }28}29func main() {30    file, err := os.Open("C:\\Users\\user\\Desktop\\Go\\file.txt")31    if err != nil {32        fmt.Println(err)33    }34    defer file.Close()35    stream := bufio.NewReader(file)36    for {37        line, err := stream.ReadString('38        if err == io.EOF {39        }40        fmt.Println(line)41    }42}43func main() {44    file, err := os.Open("C:\\Users\\user\\Desktop\\Go\\file.txt")45    if err != nil {46        fmt.Println(err)47    }48    defer file.Close()

Read

Using AI Code Generation

1func main() {2    stream := NewStream()3    reader := stream.NewReader()4    reader.Read()5}6func main() {7    stream := NewStream()8    writer := stream.NewWriter()9    writer.Write()10}11func main() {12    stream := NewStream()13    reader := stream.NewReader()14    reader.Read()15}16func main() {17    stream := NewStream()18    writer := stream.NewWriter()19    writer.Write()20}21func main() {22    stream := NewStream()23    reader := stream.NewReader()24    reader.Read()25}26func main() {27    stream := NewStream()28    writer := stream.NewWriter()29    writer.Write()30}31func main() {32    stream := NewStream()33    reader := stream.NewReader()34    reader.Read()35}36func main() {37    stream := NewStream()38    writer := stream.NewWriter()39    writer.Write()40}41func main() {

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