How to use Read method of main Package
Best Rod code snippet using main.Read
code_test.go
Source:code_test.go 
1// Copyright 2012 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4package present5import (6 "fmt"7 "html/template"8 "strings"9 "testing"10)11func TestParseCode(t *testing.T) {12 // Enable play but revert the change at the end.13 defer func(play bool) { PlayEnabled = play }(PlayEnabled)14 PlayEnabled = true15 helloTest := []byte(`16package main17import "fmt"18func main() {19 fmt.Println("hello, test")20}21`)22 helloTestHTML := template.HTML(`23<pre><span num="2">package main</span>24<span num="3"></span>25<span num="4">import "fmt"</span>26<span num="5"></span>27<span num="6">func main() {</span>28<span num="7"> fmt.Println("hello, test")</span>29<span num="8">}</span>30</pre>31`)32 helloTestHL := []byte(`33package main34import "fmt" // HLimport35func main() { // HLfunc36 fmt.Println("hello, test") // HL37}38`)39 highlight := func(h template.HTML, s string) template.HTML {40 return template.HTML(strings.Replace(string(h), s, "<b>"+s+"</b>", -1))41 }42 read := func(b []byte, err error) func(string) ([]byte, error) {43 return func(string) ([]byte, error) { return b, err }44 }45 tests := []struct {46 name string47 readFile func(string) ([]byte, error)48 sourceFile string49 cmd string50 err string51 Code52 }{53 {54 name: "all code, no play",55 readFile: read(helloTest, nil),56 sourceFile: "main.go",57 cmd: ".code main.go",58 Code: Code{59 Ext: ".go",60 FileName: "main.go",61 Raw: helloTest,62 Text: helloTestHTML,63 },64 },65 {66 name: "all code, play",67 readFile: read(helloTest, nil),68 sourceFile: "main.go",69 cmd: ".play main.go",70 Code: Code{71 Ext: ".go",72 FileName: "main.go",73 Play: true,74 Raw: helloTest,75 Text: helloTestHTML,76 },77 },78 {79 name: "all code, highlighted",80 readFile: read(helloTestHL, nil),81 sourceFile: "main.go",82 cmd: ".code main.go",83 Code: Code{84 Ext: ".go",85 FileName: "main.go",86 Raw: helloTestHL,87 Text: highlight(helloTestHTML, "fmt.Println("hello, test")"),88 },89 },90 {91 name: "highlight only func",92 readFile: read(helloTestHL, nil),93 sourceFile: "main.go",94 cmd: ".code main.go HLfunc",95 Code: Code{96 Ext: ".go",97 FileName: "main.go",98 Play: false,99 Raw: []byte("package main\n\nimport \"fmt\" // HLimport\n\nfunc main() { // HLfunc\n\tfmt.Println(\"hello, test\") // HL\n}"),100 Text: highlight(helloTestHTML, "func main() {"),101 },102 },103 {104 name: "bad highlight syntax",105 readFile: read(helloTest, nil),106 sourceFile: "main.go",107 cmd: ".code main.go HL",108 err: "invalid highlight syntax",109 },110 {111 name: "error reading file",112 readFile: read(nil, fmt.Errorf("nope")),113 sourceFile: "main.go",114 cmd: ".code main.go",115 err: "main.go:0: nope",116 },117 {118 name: "from func main to the end",119 readFile: read(helloTest, nil),120 sourceFile: "main.go",121 cmd: ".code main.go /func main/,",122 Code: Code{123 Ext: ".go",124 FileName: "main.go",125 Play: false,126 Raw: []byte("func main() {\n\tfmt.Println(\"hello, test\")\n}"),127 Text: "<pre><span num=\"6\">func main() {</span>\n<span num=\"7\"> fmt.Println("hello, test")</span>\n<span num=\"8\">}</span>\n</pre>",128 },129 },130 {131 name: "just func main",132 readFile: read(helloTest, nil),133 sourceFile: "main.go",134 cmd: ".code main.go /func main/",135 Code: Code{136 Ext: ".go",137 FileName: "main.go",138 Play: false,139 Raw: []byte("func main() {"),140 Text: "<pre><span num=\"6\">func main() {</span>\n</pre>",141 },142 },143 {144 name: "bad address",145 readFile: read(helloTest, nil),146 sourceFile: "main.go",147 cmd: ".code main.go /function main/",148 err: "main.go:0: no match for function main",149 },150 {151 name: "all code with numbers",152 readFile: read(helloTest, nil),153 sourceFile: "main.go",154 cmd: ".code -numbers main.go",155 Code: Code{156 Ext: ".go",157 FileName: "main.go",158 Raw: helloTest,159 // Replacing the first "<pre>"160 Text: "<pre class=\"numbers\">" + helloTestHTML[6:],161 },162 },163 {164 name: "all code editable",165 readFile: read(helloTest, nil),166 sourceFile: "main.go",167 cmd: ".code -edit main.go",168 Code: Code{169 Ext: ".go",170 FileName: "main.go",171 Raw: helloTest,172 Text: "<pre contenteditable=\"true\" spellcheck=\"false\">" + helloTestHTML[6:],173 },174 },175 }176 trimHTML := func(t template.HTML) string { return strings.TrimSpace(string(t)) }177 trimBytes := func(b []byte) string { return strings.TrimSpace(string(b)) }178 for _, tt := range tests {179 ctx := &Context{tt.readFile}180 e, err := parseCode(ctx, tt.sourceFile, 0, tt.cmd)181 if err != nil {182 if tt.err == "" {183 t.Errorf("%s: unexpected error %v", tt.name, err)184 } else if !strings.Contains(err.Error(), tt.err) {185 t.Errorf("%s: expected error %s; got %v", tt.name, tt.err, err)186 }187 continue188 }189 if tt.err != "" {190 t.Errorf("%s: expected error %s; but got none", tt.name, tt.err)191 continue192 }193 c, ok := e.(Code)194 if !ok {195 t.Errorf("%s: expected a Code value; got %T", tt.name, e)196 continue197 }198 if c.FileName != tt.FileName {199 t.Errorf("%s: expected FileName %s; got %s", tt.name, tt.FileName, c.FileName)200 }201 if c.Ext != tt.Ext {202 t.Errorf("%s: expected Ext %s; got %s", tt.name, tt.Ext, c.Ext)203 }204 if c.Play != tt.Play {205 t.Errorf("%s: expected Play %v; got %v", tt.name, tt.Play, c.Play)206 }207 if got, wants := trimBytes(c.Raw), trimBytes(tt.Raw); got != wants {208 t.Errorf("%s: expected Raw \n%q\n; got \n%q\n", tt.name, wants, got)209 }210 if got, wants := trimHTML(c.Text), trimHTML(tt.Text); got != wants {211 t.Errorf("%s: expected Text \n%q\n; got \n%q\n", tt.name, wants, got)212 }213 }214}...
Read
Using AI Code Generation
1import (2func main() {3 if err != nil {4 log.Fatal(err)5 }6 bs, err := ioutil.ReadAll(res.Body)7 if err != nil {8 log.Fatal(err)9 }10 str := string(bs)11 fmt.Println(str)12 res.Body.Close()13}14import (15func main() {16 if err != nil {17 log.Fatal(err)18 }19 io.Copy(os.Stdout, res.Body)20 if err := res.Body.Close(); err != nil {21 log.Fatal(err)22 }23}24import (25func main() {26 if err != nil {27 log.Fatal(err)28 }29 _, err = io.Copy(os.Stdout, res.Body)30 if err != nil {31 log.Fatal(err)32 }33 err = res.Body.Close()34 if err != nil {35 fmt.Println("Error:", err)36 os.Exit(1)37 }38}39import (40func main()
Read
Using AI Code Generation
1import (2func main() {3 f, err := os.Open("2.go")4 if err != nil {5 fmt.Println(err)6 }7 defer f.Close()8 b1 := make([]byte, 5)9 n1, err := f.Read(b1)10 if err != nil {11 fmt.Println(err)12 }13 fmt.Printf("%d bytes: %s\n", n1, string(b1))14 o2, err := f.Seek(6, 0)15 if err != nil {16 fmt.Println(err)17 }18 b2 := make([]byte, 4)19 n2, err := f.Read(b2)20 if err != nil {21 fmt.Println(err)22 }23 fmt.Printf("%d bytes @ %d: %s\n", n2, o2, string(b2))24 o3, err := f.Seek(6, 1)25 if err != nil {26 fmt.Println(err)27 }28 b3 := make([]byte, 4)29 n3, err := f.Read(b3)30 if err != nil {31 fmt.Println(err)32 }33 fmt.Printf("%d bytes @ %d: %s\n", n3, o3, string(b3))34 o4, err := f.Seek(-3, 2)35 if err != nil {36 fmt.Println(err)37 }38 b4 := make([]byte, 4)39 n4, err := f.Read(b4)40 if err != nil {41 fmt.Println(err)42 }43 fmt.Printf("%d bytes @ %d: %s\n", n4, o4, string(b4))44}
Read
Using AI Code Generation
1import (2func main() {3 f, err := os.Open("2.go")4 if err != nil {5 fmt.Println(err)6 }7 defer f.Close()8 r := io.LimitReader(f, 5)9 buf := make([]byte, 4)10 for {11 n, err := r.Read(buf)12 if err != nil {13 fmt.Println(err)14 }15 fmt.Println(n, string(buf))16 }17}
Read
Using AI Code Generation
1import (2func main() {3 f, err := os.Create("test.txt")4 if err != nil {5 fmt.Println(err)6 }7 defer f.Close()8 l, err := io.WriteString(f, "Hello World")9 if err != nil {10 fmt.Println(err)11 f.Close()12 }13 fmt.Println(l, "bytes written successfully")14}15import (16func main() {17 f, err := os.Create("test.txt")18 if err != nil {19 fmt.Println(err)20 }21 defer f.Close()22 l, err := io.WriteString(f, "Hello World")23 if err != nil {24 fmt.Println(err)25 f.Close()26 }27 fmt.Println(l, "bytes written successfully")28}29import (30func main() {31 f, err := os.Create("test.txt")32 if err != nil {33 fmt.Println(err)34 }35 defer f.Close()36 l, err := io.WriteString(f, "Hello World")37 if err != nil {38 fmt.Println(err)39 f.Close()40 }41 fmt.Println(l, "bytes written successfully")42}43import (44func main() {45 f, err := os.Create("test.txt")46 if err != nil {47 fmt.Println(err)48 }49 defer f.Close()50 l, err := io.WriteString(f, "Hello World")51 if err != nil {52 fmt.Println(err)53 f.Close()54 }55 fmt.Println(l, "bytes written successfully")56}
Read
Using AI Code Generation
1import (2func main() {3 f, err := os.Create("test.txt")4 if err != nil {5 log.Fatal(err)6 }7 _, err = f.WriteString("Hello, World!")8 if err != nil {9 log.Fatal(err)10 }11 err = f.Close()12 if err != nil {13 log.Fatal(err)14 }15 f, err = os.Open("test.txt")16 if err != nil {17 log.Fatal(err)18 }19 b, err := ioutil.ReadAll(f)20 if err != nil {21 log.Fatal(err)22 }23 err = f.Close()24 if err != nil {25 log.Fatal(err)26 }27 fmt.Printf("%s", b)28}
Read
Using AI Code Generation
1import (2func main() {3 fmt.Println("Welcome to the playground!")4 fmt.Println("The time is", time.Now())5 fmt.Println("My favourite number is", rand.Intn(10))6}
Read
Using AI Code Generation
1import (2func main() {3 fmt.Println("Enter a string")4 fmt.Scanln(&s)5 fmt.Println("Entered string is ", s)6}7import (8func main() {9 fmt.Println("Enter a string")10 fmt.Scanln(&s)11 fmt.Println("Entered string is ", s)12}13import (14func main() {15 fmt.Println("Enter a string")16 fmt.Scanln(&s)17 fmt.Println("Entered string is ", s)18}19import (20func main() {21 fmt.Println("Enter a string")22 fmt.Scanln(&s)23 fmt.Println("Entered string is ", s)24}25import (26func main() {27 fmt.Println("Enter a string")28 fmt.Scanln(&s)29 fmt.Println("Entered string is ", s)30}31import (32func main() {33 fmt.Println("Enter a string")34 fmt.Scanln(&s)35 fmt.Println("Entered string is ", s)36}37import (38func main() {39 fmt.Println("Enter a string")40 fmt.Scanln(&s)41 fmt.Println("Entered string is ", s)42}43import (44func main() {45 fmt.Println("Enter a string")46 fmt.Scanln(&s)47 fmt.Println("Entered string is ", s)48}49import (50func main() {51 fmt.Println("Enter a string")52 fmt.Scanln(&s)53 fmt.Println("Entered string is ", s)54}
Read
Using AI Code Generation
1import (2func main() {3 data, err := ioutil.ReadFile("1.go")4 if err != nil {5 fmt.Println("File reading error", err)6 }7 fmt.Println("Contents of file:", string(data))8}9import (10func main() {11 f, err := os.Open("1.go")12 if err != nil {13 fmt.Println("File reading error", err)14 }15 l, err := f.Seek(6, 0)16 fmt.Println("Just read", l, "bytes")17 r := make([]byte, 4)18 n, err := f.Read(r)19 fmt.Println("Just read", n, "bytes:", string(r))20 fmt.Println("Just read", n, "bytes:", string(r))21 f.Close()22}23import (24func main() {25 data, err := ioutil.ReadFile("1.go")26 if err != nil {27 fmt.Println("File reading error", err)28 }29 fmt.Println("Contents of file:", string(data))30}31import (32func main() {33 f, err := os.Open("1.go")34 if err != nil {35 fmt.Println("File reading error", err)36 }37 l, err := f.Seek(6, 0)38 fmt.Println("Just read", l, "bytes")39 r := make([]byte, 4)40 n, err := f.Read(r)41 fmt.Println("Just read", n, "bytes:", string(r))42 fmt.Println("Just read", n, "bytes:", string(r))43 f.Close()44}45import (46func main() {47 data, err := ioutil.ReadFile("1.go")48 if err != nil {
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