How to use error method of compiler Package

Best Syzkaller code snippet using compiler.error

bad1.go

Source:bad1.go

1// +build go1.112package bad3// See #366374type stateFunc func() stateFunc //@item(stateFunc, "stateFunc", "func() stateFunc", "type")5var a unknown //@item(global_a, "a", "unknown", "var"),diag("unknown", "compiler", "undeclared name: unknown", "error")6func random() int { //@item(random, "random", "func() int", "func")7	//@complete("", global_a, bob, random, random2, random3, stateFunc, stuff)8	return 09}10func random2(y int) int { //@item(random2, "random2", "func(y int) int", "func"),item(bad_y_param, "y", "int", "var")11	x := 6       //@item(x, "x", "int", "var"),diag("x", "compiler", "x declared but not used", "error")12	var q blah   //@item(q, "q", "blah", "var"),diag("q", "compiler", "q declared but not used", "error"),diag("blah", "compiler", "undeclared name: blah", "error")13	var t **blob //@item(t, "t", "**blob", "var"),diag("t", "compiler", "t declared but not used", "error"),diag("blob", "compiler", "undeclared name: blob", "error")14	//@complete("", q, t, x, bad_y_param, global_a, bob, random, random2, random3, stateFunc, stuff)15	return y16}17func random3(y ...int) { //@item(random3, "random3", "func(y ...int)", "func"),item(y_variadic_param, "y", "[]int", "var")18	//@complete("", y_variadic_param, global_a, bob, random, random2, random3, stateFunc, stuff)19	var ch chan (favType1)   //@item(ch, "ch", "chan (favType1)", "var"),diag("ch", "compiler", "ch declared but not used", "error"),diag("favType1", "compiler", "undeclared name: favType1", "error")20	var m map[keyType]int    //@item(m, "m", "map[keyType]int", "var"),diag("m", "compiler", "m declared but not used", "error"),diag("keyType", "compiler", "undeclared name: keyType", "error")21	var arr []favType2       //@item(arr, "arr", "[]favType2", "var"),diag("arr", "compiler", "arr declared but not used", "error"),diag("favType2", "compiler", "undeclared name: favType2", "error")22	var fn1 func() badResult //@item(fn1, "fn1", "func() badResult", "var"),diag("fn1", "compiler", "fn1 declared but not used", "error"),diag("badResult", "compiler", "undeclared name: badResult", "error")23	var fn2 func(badParam)   //@item(fn2, "fn2", "func(badParam)", "var"),diag("fn2", "compiler", "fn2 declared but not used", "error"),diag("badParam", "compiler", "undeclared name: badParam", "error")24	//@complete("", arr, ch, fn1, fn2, m, y_variadic_param, global_a, bob, random, random2, random3, stateFunc, stuff)25}...

error

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	node, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)5	if err != nil {6		fmt.Println(err)7	}8	ast.Print(fset, node)9}101.go:3:1: expected 'package', found 'import'

error

Using AI Code Generation

1import (2func main() {3    err := errors.New("emit macho dwarf: elf header corrupted")4    if err != nil {5        fmt.Println(err)6    }7}8import (9func main() {10    fmt.Println("calling f.")11    f()12    fmt.Println("returned normally from f.")13}14func f() {15    defer func() {16        if r := recover(); r != nil {17            fmt.Println("recovered in f.", r)18        }19    }()20    fmt.Println("calling g.")21    g(0)22    fmt.Println("returned normally from g.")23}24func g(i int) {25    if i > 3 {26        fmt.Println("Panicking!")27        panic(fmt.Sprintf("%v", i))28    }29    defer fmt.Println("Defer in g", i)30    fmt.Println("Printing in g", i)31    g(i + 1)32}

error

Using AI Code Generation

1import "fmt"2import "errors"3func main() {4    err := errors.New("emit macho dwarf: elf header corrupted")5    if err != nil {6        fmt.Println(err)7    }8}9Errorf() method10func Errorf(format string, a ...interface{}) error11import "errors"12import "fmt"13func main() {14    err := fmt.Errorf("emit macho dwarf: %v", "elf header corrupted")15    if err != nil {16        fmt.Println(err)17    }18}19Wrap() method20func Wrap(err error, msg string) error21import "errors"22import "fmt"23func main() {24    err := errors.New("emit macho dwarf: elf header corrupted")25    err = fmt.Errorf("wrap: %w", err)26    if err != nil {27        fmt.Println(err)28    }29}30Unwrap() method31func Unwrap(err error) error32import "errors"33import "fmt"34func main() {35    err := errors.New("emit macho dwarf: elf header corrupted")36    err = fmt.Errorf("wrap: %w", err)37    if err != nil {38        fmt.Println(err)39    }40    if err := errors.Unwrap(err); err != nil {41        fmt.Println(err)42    }43}44Is() method45Is() method is used to check whether an error matches

error

Using AI Code Generation

1import (2func main() {3	_, err := fmt.Println("Hello, playground")4	if err != nil {5		log.Fatal(err)6	}7}8import (9func main() {10	_, err := fmt.Println("Hello, playground")11	if err != nil {12		log.Fatal(err)13	}14}15import (16func main() {17	_, err := fmt.Println("Hello, playground")18	if err != nil {19		log.Fatal(err)20	}21}22import (23func main() {24	_, err := fmt.Println("Hello, playground")25	if err != nil {26		log.Fatal(err)27	}28}29import (30func main() {31	_, err := fmt.Println("Hello, playground")32	if err != nil {33		log.Fatal(err)34	}35}36import (37func main() {38	_, err := fmt.Println("Hello, playground")39	if err != nil {40		log.Fatal(err)41	}42}43import (44func main() {45	_, err := fmt.Println("Hello, playground")46	if err != nil {47		log.Fatal(err)48	}49}50import (51func main() {52	_, err := fmt.Println("Hello, playground")53	if err != nil {54		log.Fatal(err)55	}56}57import (58func main() {59	_, err := fmt.Println("Hello, playground")60	if err != nil {61		log.Fatal(err)62	}63}64import (65func main() {66	_, err := fmt.Println("Hello, playground")67	if err != nil {68		log.Fatal(err)69	}70}71import (72func main() {73	_, err := fmt.Println("Hello, playground")74	if err != nil {75		log.Fatal(err)76	}77}78import (79func main() {80	_, err := fmt.Println("Hello, playground")81	if err != nil {82		log.Fatal(err)83	}84}85import (86func main() {

error

Using AI Code Generation

1import (2func main() {3	f, err := os.Open("2.go")4	if err != nil {5		log.Fatal(err)6	}7	fmt.Println(f)8}9In the above example, we are using the fmt.Println() method to print the

error

Using AI Code Generation

1import (2func main() {3    err = errors.New("Error")4    fmt.Println(err)5}6import (7func main() {8    err = errors.New("Error")9    fmt.Println(err.Error())10}11import (12func main() {13    err = errors.New("Error")14    fmt.Println(err.Error())15    fmt.Println(err)16}17import (18func main() {19    err = errors.New("Error")20    fmt.Println(err.Error())21    fmt.Println(err)22    fmt.Println(err.Error())23}24import (25func main() {26    err = errors.New("Error")27    fmt.Println(err.Error())28    fmt.Println(err)29    fmt.Println(err.Error())30    fmt.Println(err)31}32import (33func main() {34    err = errors.New("Error")35    fmt.Println(err.Error())36    fmt.Println(err)37    fmt.Println(err.Error())38    fmt.Println(err)39    fmt.Println(err.Error())40}41import (42func main() {43    err = errors.New("Error")44    fmt.Println(err.Error())45    fmt.Println(err)46    fmt.Println(err.Error())47    fmt.Println(err)48    fmt.Println(err.Error())49    fmt.Println(err)50}51import (52func main() {53    err = errors.New("Error")

error

Using AI Code Generation

1import "fmt"2func main() {3    _, err := fmt.Println("Hello, playground")4    if err != nil {5        fmt.Println(err)6    }7}

error

Using AI Code Generation

1import (2func main() {3fmt.Println("Hello World")4err = errors.New("This is an error message")5if err != nil {6fmt.Println(err)7}8}9import (10func main() {11fmt.Println("Hello World")12err = errors.New("This is an error message")13if err != nil {14fmt.Println(err)15}16}17import (18func main() {19fmt.Println("Hello World")20err = errors.New("This is an error message")21if err != nil {22fmt.Println(err)23}24}25import (26func main() {27fmt.Println("Hello World")28err = errors.New("This is an error message")29if err != nil {30fmt.Println(err)31}32}33import (34func main() {35fmt.Println("Hello World")36err = errors.New("This is an error message")37if err != nil {38fmt.Println(err)39}40}41import (42func main()

error

Using AI Code Generation

1import (2func main() {3	fmt.Println(reflect.TypeOf(a))4	fmt.Println(reflect.TypeOf(b))5	fmt.Println(reflect.TypeOf(c))6	fmt.Println(reflect.TypeOf(d))7	fmt.Println(reflect.TypeOf(e))8}9import (10func main() {11	fmt.Println(reflect.TypeOf(a))12	fmt.Println(reflect.TypeOf(b))13	fmt.Println(reflect.TypeOf(c))14	fmt.Println(reflect.TypeOf(d))15	fmt.Println(reflect.TypeOf(e))16}17import (18func main() {19	fmt.Println(reflect.TypeOf(a))20	fmt.Println(reflect.TypeOf(b))21	fmt.Println(reflect.TypeOf(c))22	fmt.Println(reflect.TypeOf(d))23	fmt.Println(reflect.TypeOf(e))24}25import (26func main() {27	fmt.Println(reflect.TypeOf(a))28	fmt.Println(reflect.TypeOf(b))29	fmt.Println(reflect.TypeOf(c))30	fmt.Println(reflect.TypeOf(d))31	fmt.Println(reflect.TypeOf(e))32}33import (34func main() {35	fmt.Println(reflect.TypeOf(a

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