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307 lines
7.0 KiB
Plaintext
307 lines
7.0 KiB
Plaintext
# Generate and write random literals into a separate file
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generate-literals extraLiterals.go 500 printExtraLiterals
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go build
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exec ./main$exe
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binsubstr main$exe 'Lorem' 'dolor' 'second assign' 'First Line' 'Second Line' 'map value' 'to obfuscate' 'also obfuscate' 'stringTypeField String'
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binsubint main$exe '-7081390804778629748' '-301627827188279046' '7679634459002713443'
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binsubfloat main$exe '3684433217126772357.33' '-9015867427900753906'
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cp stderr normal.stderr
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garble -literals build
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exec ./main$exe
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cmp stderr normal.stderr
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binsubstr main$exe 'Skip this block' 'also skip this' 'skip typed const' 'skip typed var' 'skip typed var assign' 'stringTypeField strType' 'stringType lambda func return' 'testMap1 key' 'testMap2 key' 'testMap3 key' 'testMap1 value' 'testMap3 value' 'testMap1 new value' 'testMap3 new value' 'stringType func param' 'stringType return' 'skip untyped const'
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! binsubstr main$exe 'garbleDecrypt' 'Lorem' 'dolor' 'first assign' 'second assign' 'First Line' 'Second Line' 'map value' 'to obfuscate' 'also obfuscate' 'stringTypeField String'
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! binsubint main$exe '-7081390804778629748' '-301627827188279046' '7679634459002713443'
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! binsubfloat main$exe '3684433217126772357.33' '-9015867427900753906'
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[short] stop # checking that the build is reproducible is slow
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# Also check that the binary is reproducible.
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cp main$exe main_old$exe
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rm main$exe
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garble -literals build
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bincmp main$exe main_old$exe
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# Also check that the binary is different from previous builds.
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rm main$exe
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garble -literals -debugdir=.obf-src -seed=8J+Ri/Cfh6fwn4e+ build
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! bincmp main$exe main_old$exe
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exec ./main$exe
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cmp stderr normal.stderr
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# Check obfuscators
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# Xor obfuscator. Detect a[i] = a[i] ^ b[i]
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grep '^\s+\w+\[\w+\] = \w+\[\w+\] \^ \w+$' .obf-src/main/z0.go
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# Swap obfuscator. Detect [...]byte|uint16|uint32|uint64{...}
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grep '^\s+\w+ := \[\.{3}\](byte|uint16|uint32|uint64)\{[0-9\s,]+\}$' .obf-src/main/z0.go
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# Split obfuscator. Detect decryptKey ^= i * counter
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grep '^\s+\w+ \^= \w+ \* \w+$' .obf-src/main/z0.go
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-- go.mod --
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module test/main
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-- main.go --
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package main
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type strucTest struct {
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field string
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anotherfield string
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}
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const (
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cnst string = "Lorem"
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multiline string = `First Line
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Second Line`
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)
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const (
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i = 1
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boolean = true
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skip1 = "Skip this block"
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)
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const (
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foo = iota
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bar
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skip2 = "also skip this"
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)
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const arrayLen = 4
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var array [arrayLen]byte
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type typeAlias [arrayLen]byte
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func main() {
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empty := ""
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localVar := "dolor"
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reassign := "first assign"
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reassign = "second assign"
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add := "total" + " string"
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println(cnst, boolean)
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println(multiline, add)
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println(localVar)
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println(reassign)
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println(empty)
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x := strucTest{
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field: "to obfuscate",
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anotherfield: "also obfuscate",
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}
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lambda := func() string {
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return "😅 😅"
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}()
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println(lambda)
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println(x.field, x.anotherfield)
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testMap := map[string]string{"map key": "map value"}
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testMap["map key"] = "new value"
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println(testMap["map key"])
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println("another literal")
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println(skip1, skip2)
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println(i, foo, bar)
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typedTest()
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constantTest()
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byteTest()
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numTest()
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boolTest()
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printExtraLiterals()
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}
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type stringType string
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type stringTypeStruct struct {
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str string
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strType stringType
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}
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// typedTest types defined from string broke previously
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func typedTest() {
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const skipUntypedConst = "skip untyped const"
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stringTypeFunc(skipUntypedConst)
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const skipTypedConst stringType = "skip typed const" // skip
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var skipTypedVar stringType = "skip typed var" // skip
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var skipTypedVarAssign stringType
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skipTypedVarAssign = "skip typed var assign" // skip
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println(skipTypedConst, skipTypedVar, skipTypedVarAssign)
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y := stringTypeStruct{
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str: "stringTypeField String", // obfuscate
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strType: "stringTypeField strType", // skip
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}
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println(y.str, y.strType)
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z := func(s stringType) stringType {
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return "stringType lambda func return" // skip
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}("lambda call") // skip
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println(z)
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testMap1 := map[string]stringType{"testMap1 key": "testMap1 value"} // skip
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testMap1["testMap1 key"] = "testMap1 new value" // skip
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testMap2 := map[stringType]string{"testMap2 key": "testMap2 value"} // skip key
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testMap2["testMap2 key"] = "testMap2 new value" // skip key
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testMap3 := map[stringType]stringType{"testMap3 key": "testMap3 value"} // skip
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testMap3["testMap3 key"] = "testMap3 new value" // skip
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println(stringTypeFunc("stringType func param")) // skip
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}
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// constantTest tests that string constants which need to be constant are skipped
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func constantTest() {
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const a = "foo" // skip
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const length = len(a)
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const b = "bar" // skip
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type T [len(b)]byte
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const c = "foo" // skip
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var _ [len(c)]byte
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const d = "foo" // skip
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var arr = [5]string{len(d): "foo"}
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for _, elm := range arr {
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if elm != "" {
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println(elm)
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}
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}
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const e = "foo" // skip
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var slice = []string{len(e): "foo"}
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for _, elm := range slice {
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if elm != "" {
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println(elm)
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}
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}
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const f = "foo" // skip
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const i = length + len(f)
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println(length, i)
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}
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func byteTest() {
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a := []byte{12, 13}
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for _, elm := range a {
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print(elm, ", ")
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}
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println()
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var b = []byte{12, 13}
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for _, elm := range b {
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print(elm, ", ")
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}
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println()
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var c = [2]byte{12, 13}
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for _, elm := range c {
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print(elm, ", ")
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}
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println()
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d := func() [4]byte {
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return [4]byte{12, 13}
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}()
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for _, elm := range d {
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print(elm, ", ")
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}
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println()
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}
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func stringTypeFunc(s stringType) stringType {
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println(s)
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return "stringType return" // skip
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}
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func numTest() {
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const a = 1 // skip
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const b = a + 2 // skip
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const c = 2824583991413579605
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d := 4
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var e = 5
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var f int
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f = 3735714531481032066
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println(a, b, c, d, e, f)
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var (
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untypedInt = -7081390804778629760 + 12
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intVar int = -301627827188279046
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int8Var int8 = -122.0
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int16Var int16 = 3534
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int32Var int32 = 333453534
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int64Var int64 = 4568766098255857483
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uintVar uint = 7679634459002713443
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uint8Var uint8 = 34
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uint16Var uint16 = 3534
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uint32Var uint32 = 333453534
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uint64Var uint64 = 5490982829161518439
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uintptrVar uintptr = 7364326871810921708
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untypedFloat = 3684433217126772357.33
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floatVar float64 = -9015867427900753906
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floatVar32 float32 = 6338507605633
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complexVar64 complex64 = -435453453534 // skip
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complexVar128 complex128 = 1 + 4i // skip
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underscoreInt = 1_3_3_7
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underscoreFloat = 1_3_3_7.0
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hexInt = 0x1337 // skip
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hexFloat = 0x1337p0 // skip
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octalInt = 0o1337 // skip
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octalFloat = 0o1337 // skip
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)
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floatShort := -435453453534.0
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println(untypedInt, intVar, int8Var, int16Var, int32Var, int64Var)
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println(uintVar, uint8Var, uint16Var, uint32Var, uint64Var, uintptrVar)
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println(untypedFloat, floatVar, floatShort, floatVar32)
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println(complexVar64, complexVar128)
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println(underscoreInt, underscoreFloat, hexInt, hexFloat, octalInt, octalFloat)
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}
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func boolTest() {
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const a = true // skip
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const b = false == a // skip
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const c bool = false
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d := true
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var e = true
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var f bool
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f = false
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println(a, b, c, d, e, f)
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}
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