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package main import "fmt" func add(x int, y int) int { return x + y } func main() { fmt.Println(add(42, 13)) }
Go
package main import ( "fmt" ) func Sqrt(x float64) float64 { } func main() { fmt.Println(Sqrt(2)) }
Go
package main import ( "fmt" ) type Fetcher interface { // Fetch returns the body of URL and // a slice of URLs found on that page. Fetch(url string) (body string, urls []string, err error) } // Crawl uses fetcher to recursively crawl // pages starting with url, to a maximum of depth. func Crawl(url string, depth...
Go
package main import ( "fmt" "image" ) func main() { m := image.NewRGBA(image.Rect(0, 0, 100, 100)) fmt.Println(m.Bounds()) fmt.Println(m.At(0, 0).RGBA()) }
Go
package main import "fmt" func main() { m := make(map[string]int) m["Answer"] = 42 fmt.Println("The value:", m["Answer"]) m["Answer"] = 48 fmt.Println("The value:", m["Answer"]) delete(m, "Answer") fmt.Println("The value:", m["Answer"]) v, ok := m["Answer"] fmt.Println("The value:", v, "Present?", ok) }
Go
package main import "fmt" const Pi = 3.14 func main() { const World = "世界" fmt.Println("Hello", World) fmt.Println("Happy", Pi, "Day") const Truth = true fmt.Println("Go rules?", Truth) }
Go
package main import ( "fmt" "time" ) func main() { t := time.Now() switch { case t.Hour() < 12: fmt.Println("Good morning!") case t.Hour() < 17: fmt.Println("Good afternoon.") default: fmt.Println("Good evening.") } }
Go
package main import ( "fmt" "math" ) type Vertex struct { X, Y float64 } func (v *Vertex) Abs() float64 { return math.Sqrt(v.X*v.X + v.Y*v.Y) } func main() { v := &Vertex{3, 4} fmt.Println(v.Abs()) }
Go
package main import "fmt" var x, y, z int var c, python, java bool func main() { fmt.Println(x, y, z, c, python, java) }
Go
package main import "fmt" const ( Big = 1 << 100 Small = Big >> 99 ) func needInt(x int) int { return x*10 + 1 } func needFloat(x float64) float64 { return x * 0.1 } func main() { fmt.Println(needInt(Small)) fmt.Println(needFloat(Small)) fmt.Println(needFloat(Big)) }
Go
package main import ( "fmt" "math" ) func pow(x, n, lim float64) float64 { if v := math.Pow(x, n); v < lim { return v } else { fmt.Printf("%g >= %g\n", v, lim) } // can't use v here, though return lim } func main() { fmt.Println( pow(3, 2, 10), pow(3, 3, 20), ) }
Go
package main import "fmt" // fibonacci is a function that returns // a function that returns an int. func fibonacci() func() int { } func main() { f := fibonacci() for i := 0; i < 10; i++ { fmt.Println(f()) } }
Go
package main import ( "fmt" ) func fibonacci(n int, c chan int) { x, y := 0, 1 for i := 0; i < n; i++ { c <- x x, y = y, x+y } close(c) } func main() { c := make(chan int, 10) go fibonacci(cap(c), c) for i := range c { fmt.Println(i) } }
Go
package main import "fmt" func main() { fmt.Println("Hello, 世界") }
Go
package main import ( "fmt" "math" ) type Abser interface { Abs() float64 } func main() { var a Abser f := MyFloat(-math.Sqrt2) v := Vertex{3, 4} a = f // a MyFloat implements Abser a = &v // a *Vertex implements Abser a = v // a Vertex, does NOT // implement Abser fmt.Println(a.Abs()) } type MyFloat...
Go
package main import "fmt" type Vertex struct { Lat, Long float64 } var m = map[string]Vertex{ "Bell Labs": Vertex{ 40.68433, -74.39967, }, "Google": Vertex{ 37.42202, -122.08408, }, } func main() { fmt.Println(m) }
Go
package main import "code.google.com/p/go-tour/tree" // Walk walks the tree t sending all values // from the tree to the channel ch. func Walk(t *tree.Tree, ch chan int) // Same determines whether the trees // t1 and t2 contain the same values. func Same(t1, t2 *tree.Tree) bool func main() { }
Go
package main import "fmt" func main() { pow := make([]int, 10) for i := range pow { pow[i] = 1 << uint(i) } for _, value := range pow { fmt.Printf("%d\n", value) } }
Go
package main import "fmt" func sum(a []int, c chan int) { sum := 0 for _, v := range a { sum += v } c <- sum // send sum to c } func main() { a := []int{7, 2, 8, -9, 4, 0} c := make(chan int) go sum(a[:len(a)/2], c) go sum(a[len(a)/2:], c) x, y := <-c, <-c // receive from c fmt.Println(x, y, x+y) }
Go
package main import "fmt" func main() { p := []int{2, 3, 5, 7, 11, 13} fmt.Println("p ==", p) fmt.Println("p[1:4] ==", p[1:4]) // missing low index implies 0 fmt.Println("p[:3] ==", p[:3]) // missing high index implies len(s) fmt.Println("p[4:] ==", p[4:]) }
Go
package main import ( "fmt" "net/http" ) type Hello struct{} func (h Hello) ServeHTTP( w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, "Hello!") } func main() { var h Hello http.ListenAndServe("localhost:4000", h) }
Go
package main import ( "code.google.com/p/go-tour/pic" "image" ) type Image struct{} func main() { m := Image{} pic.ShowImage(m) }
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package wc import "fmt" // Test runs a test suite against f. func Test(f func(string) map[string]int) { ok := true for _, c := range testCases { got := f...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package tree import ( "fmt" "math/rand" ) // A Tree is a binary tree with integer values. type Tree struct { Left *Tree Value int Right *Tree } // New...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package pic import ( "bytes" "encoding/base64" "fmt" "image" "image/png" ) func Show(f func(int, int) [][]uint8) { const ( dx = 256 dy = 256 ) da...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "encoding/json" "go/ast" "go/parser" "go/printer" "go/token" "net/http" ) func init() { http.HandleFunc("/fmt", fmtHand...
Go
// Copyright 2013 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "fmt" "html/template" "io" "io/ioutil" "net/http" "os" "path/filepath" "time" "code.google.com/p/go.talks/pkg/present...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build !appengine package main import ( "flag" "fmt" "go/build" "io" "log" "net" "net/http" "os" "os/exec" "path/filepath" "runtime" "strings"...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build appengine package main import ( "bufio" "bytes" "io" "net/http" "appengine" _ "code.google.com/p/go.talks/pkg/playground" ) const runUrl =...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid import ( "encoding/binary" "time" ) // A Time represents a time as the number of 100's of nanoseconds since 15 Oct // 1582. type Time int64 const...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid import ( "io" ) // randomBits completely fills slice b with random data. func randomBits(b []byte) { if _, err := io.ReadFull(rander, b); err != n...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid import ( "bytes" "crypto/rand" "fmt" "io" "strings" ) // A UUID is a 128 bit (16 byte) Universal Unique IDentifier as defined in RFC // 4122. t...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid import ( "crypto/md5" "crypto/sha1" "hash" ) // Well known Name Space IDs and UUIDs var ( NameSpace_DNS = Parse("6ba7b810-9dad-11d1-80b4-00c04f...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid import ( "encoding/binary" "fmt" "os" ) // A Domain represents a Version 2 domain type Domain byte // Domain constants for DCE Security (Version...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid // Random returns a Random (Version 4) UUID or panics. // // The strength of the UUIDs is based on the strength of the crypto/rand // package. // // ...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid import "net" var ( interfaces []net.Interface // cached list of interfaces ifname string // name of interface being used nodeID ...
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // The uuid package generates and inspects UUIDs. // // UUIDs are based on RFC 4122 and DCE 1.1: Authentication and Security Services. package uuid
Go
// Copyright 2011 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package uuid import ( "encoding/binary" ) // NewUUID returns a Version 1 UUID based on the current NodeID and clock // sequence, and the current time. If the N...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package regexp implements regular expression search tuned for // use in grep-like programs. package regexp import "regexp/syntax" func bug() { panic("cod...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package regexp import ( "regexp/syntax" "unicode" "unicode/utf8" ) const ( instFail = syntax.InstFail instAlt = syntax.InstAlt instByteRange...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package regexp import ( "bytes" "encoding/binary" "flag" "fmt" "io" "os" "regexp/syntax" "sort" "code.google.com/p/codesearch/sparse" ) // A matche...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Copied from Go's regexp/syntax. // Formatters edited to handle instByteRange. package regexp import ( "bytes" "fmt" "regexp/syntax" "sort" "strconv" ...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package index import ( "regexp/syntax" "sort" "strconv" "strings" "unicode" ) // A Query is a matching machine, like a regular expression, // that match...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package index import ( "log" "os" "syscall" ) func mmapFile(f *os.File) mmapData { st, err := f.Stat() if err != nil { log.Fatal(err) } size := st.S...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package index import ( "io" "io/ioutil" "log" "os" "strings" "unsafe" "code.google.com/p/codesearch/sparse" ) // Index writing. See read.go for deta...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package index import ( "log" "os" "syscall" "unsafe" ) func mmapFile(f *os.File) mmapData { st, err := f.Stat() if err != nil { log.Fatal(err) } si...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package index // Merging indexes. // // To merge two indexes A and B (newer) into a combined index C: // // Load the path list from B and determine for each p...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package index // Index format. // // An index stored on disk has the format: // // "csearch index 1\n" // list of paths // list of names // list of posting li...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build darwin freebsd openbsd netbsd package index import ( "log" "os" "syscall" ) // missing from package syscall on freebsd, openbsd const ( _PROT_...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package sparse implements sparse sets. package sparse // For comparison: running cindex over the Linux 2.6 kernel with this // implementation of trigram se...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "flag" "fmt" "log" "os" "runtime/pprof" "code.google.com/p/codesearch/index" "code.google.com/p/codesearch/regexp" ) var usageM...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "flag" "fmt" "log" "os" "path/filepath" "runtime/pprof" "sort" "code.google.com/p/codesearch/index" ) var usageMessage = `usag...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "flag" "fmt" "log" "os" "runtime/pprof" "code.google.com/p/codesearch/regexp" ) var usageMessage = `usage: cgrep [-c] [-h] [-i] ...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package wc import "fmt" // Test runs a test suite against f. func Test(f func(string) map[string]int) { ok := true for _, c := range testCases { got := f...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package goplay import ( "bytes" "encoding/json" "go/ast" "go/parser" "go/printer" "go/token" "net/http" ) func init() { http.HandleFunc("/fmt", fmtHa...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package goplay import ( "fmt" "io" "net/http" "appengine" "appengine/urlfetch" ) const runUrl = "http://golang.org/compile?output=json" func init() { ...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package tree import ( "fmt" "math/rand" ) // A Tree is a binary tree with integer values. type Tree struct { Left *Tree Value int Right *Tree } // New...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package pic import ( "bytes" "encoding/base64" "fmt" "image" "image/png" ) func Show(f func(int, int) [][]uint8) { const ( dx = 256 dy = 256 ) da...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "math" ) type ErrNegativeSqrt float64 func (e ErrNegativeSqrt) Error() string { return fmt.Sprintf("Sqrt: negative number %g"...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import "fmt" // fibonacci is a function that returns // a function that returns an int. func fibonacci() func() int { f, g := 0, 1 return func...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "tour/tree" ) func walkImpl(t *tree.Tree, ch chan int) { if t.Left != nil { walkImpl(t.Left, ch) } ch <- t.Value if t.Rig...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "strings" "tour/wc" ) func WordCount(s string) map[string]int { m := make(map[string]int) for _, f := range strings.Fields(s) { m...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import "tour/pic" func Pic(dx, dy int) [][]uint8 { p := make([][]uint8, dy) for i := range p { p[i] = make([]uint8, dx) } for y := range ...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "io" "os" "strings" ) func rot13(b byte) byte { var a, z byte switch { case 'a' <= b && b <= 'z': a, z = 'a', 'z' case 'A' <= ...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "math/cmplx" ) const delta = 1e-10 func Cbrt(x complex128) complex128 { z := x for { n := z - (z*z*z-x)/(3*z*z) if cmplx...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "errors" "fmt" "sync" ) type Fetcher interface { // Fetch returns the body of URL and // a slice of URLs found on that page. Fetc...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "image" "image/color" "tour/pic" ) type Image [][]uint8 func (m Image) ColorModel() color.Model { return color.RGBAModel } func (...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "math" ) const delta = 1e-10 func Sqrt(x float64) float64 { z := x for { n := z - (z*z-x)/(2*z) if math.Abs(n-z) < delta...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "encoding/json" "go/ast" "go/parser" "go/printer" "go/token" "net/http" ) func init() { http.HandleFunc("/fmt", fmtHand...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "flag" "fmt" "go/build" "io/ioutil" "log" "net/http" "os" "os/exec" "path/filepath" "regexp" "runtime" "strconv" "...
Go
// Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "encoding/json" "log" "net/http" ) func init() { http.HandleFunc("/compile", Compile) } type Response struct { Output string `jso...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build darwin freebsd linux netbsd openbsd package time import ( "errors" "syscall" ) // for testing: whatever interrupts a sleep func interrupt() { sy...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build helenos package time import ( "errors" "runtime" ) func initLocal() { // TODO: Implement this once HelenOS supports timezones. // Fall back to ...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package time import ( "errors" "syscall" ) // for testing: whatever interrupts a sleep func interrupt() { } // readFile reads and returns the content of th...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package time provides functionality for measuring and displaying time. // // The calendrical calculations always assume a Gregorian calendar. package time i...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build plan9 package time import ( "errors" "syscall" ) // for testing: whatever interrupts a sleep func interrupt() { // cannot predict pid, don't wan...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package time import "errors" // A Ticker holds a synchronous channel that delivers `ticks' of a clock // at intervals. type Ticker struct { C <-chan Time // ...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package time import ( "sync" ) // A Location maps time instants to the zone in use at that time. // Typically, the Location represents the collection of time...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Parse Plan 9 timezone(2) files. package time import ( "errors" "runtime" "syscall" ) func isSpace(r rune) bool { return r == ' ' || r == '\t' || r == ...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Parse "zoneinfo" time zone file. // This is a fairly standard file format used on OS X, Linux, BSD, Sun, and others. // See tzfile(5), http://en.wikipedia.or...
Go
// Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package time import "errors" // These are predefined layouts for use in Time.Format. // The standard time used in the layouts is: // Mon Jan 2 15:04:05 MST 20...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build helenos package time import ( "errors" "syscall" ) // readFile reads and returns the content of the named file. // It is a trivial implementation...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build darwin freebsd linux netbsd openbsd // Parse "zoneinfo" time zone file. // This is a fairly standard file format used on OS X, Linux, BSD, Sun, and o...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package time // Sleep pauses the current goroutine for the duration d. func Sleep(d Duration) func nano() int64 { sec, nsec := now() return sec*1e9 + int64(...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package time import ( "errors" "runtime" "syscall" ) // TODO(rsc): Fall back to copy of zoneinfo files. // BUG(brainman,rsc): On Windows, the operating sy...
Go
// Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package io type multiReader struct { readers []Reader } func (mr *multiReader) Read(p []byte) (n int, err error) { for len(mr.readers) > 0 { n, err = mr.r...
Go
// Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package ioutil import ( "os" "path/filepath" "strconv" "time" ) // Random number state, accessed without lock; racy but harmless. // We generate random t...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package ioutil implements some I/O utility functions. package ioutil import ( "bytes" "io" "os" "sort" ) // readAll reads from r until an error or EOF ...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package io provides basic interfaces to I/O primitives. // Its primary job is to wrap existing implementations of such primitives, // such as those in packag...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Pipe adapter to connect code expecting an io.Reader // with code expecting an io.Writer. package io import ( "errors" "sync" ) // ErrClosedPipe is the e...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package syscall func itoa(val int) string { // do it here rather than with fmt to avoid dependency if val < 0 { return "-" + itoa(-val) } var buf [32]byte...
Go
package syscall import ( "unsafe" "sync" ) var ( lock sync.Mutex objects map[unsafe.Pointer]int ) func init() { objects = make(map[unsafe.Pointer]int) } func LockObject(ptr unsafe.Pointer) { lock.Lock() defer lock.Unlock() objects[ptr] = 1; } func UnlockObject(ptr unsafe.Pointer) { lock.Lock() defer loc...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package syscall // An Errno is a signed number describing an error condition. // It implements the error interface. The zero Errno is by convention // a non-e...
Go
package event import ( "syscall" ) type Type int type TaskType int const ( KLOG = Type(iota) KCONSOLE FAULT FIRST_NONGLOBAL ) const ( TASK_STATE_CHANGE = TaskType(FIRST_NONGLOBAL + iota) ) //extern event_subscribe func event_subscribe(event_type Type, method syscall.Arg) int //extern event_task_subscribe ...
Go
package syscall const ( EOK = Errno(0) ENOENT = Errno(_ENOENT) ENOMEM = Errno(_ENOMEM) ELIMIT = Errno(_ELIMIT) EREFUSED = Errno(_EREFUSED) EFORWARD = Errno(_EFORWARD) EPERM = Errno(_EPERM) EHANGUP = Errno(_EHANGUP) EPARTY = Errno(_EPARTY) EEXISTS = Errno(_EEXISTS) EBADMEM = Errno(_EBADMEM) ENOTSUP = Errno...
Go
// A direct port of libc's ns.c file. package service import ( "syscall" "syscall/async" ) func ConvertID(s string) (result uint32) { bytes := [4]byte{ ' ', ' ', ' ', ' ' } switch len(s) { default: panic("Invalid input to service.ConvertID()") case 4: bytes[3] = byte(s[3]) fallthrough case 3: bytes[2...
Go
package service import ( "syscall/async" "unsafe" "runtime" ) var ( session *async.Session ) //extern go_syscall_service_ns_session func libcSession() unsafe.Pointer func nsSession() *async.Session { if session == nil { session = async.WrapSession(libcSession()) runtime.SetFinalizer(session, nil) } ret...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Declarations for functions which are actually written in C. package syscall func GetErrno() Errno func SetErrno(Errno) // These functions are used by CGO ...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package syscall contains an interface to the low-level operating system // primitives. The details vary depending on the underlying system. // Its primary u...
Go
package async import ( "syscall" "syscall/fibril" "unsafe" "runtime" ) // FIXME: Make sure all Go memory passed to C code is referenced somewhere. type Call struct { id syscall.IpcCallidT data callData } func (c *Call) Arg(n int) syscall.Arg { return c.data.args[n] } func (c *Call) Method() syscall.Arg { ...
Go