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// Copyright 2012, 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. // vt binlog server: Serves binlog for out of band replication. package main import ( "bufio" "bytes" "flag" "fmt" "io" _ "net/http/pprof" "os" "os/signal...
Go
// Copyright 2012, 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 main import ( "flag" "fmt" _ "net/http/pprof" "os" "code.google.com/p/vitess/go/relog" rpc "code.google.com/p/vitess/go/rpcplus" "code.google.com/...
Go
// Copyright 2013, 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 main // Imports and register the Zookeeper TopologyServer import ( _ "code.google.com/p/vitess/go/vt/zktopo" )
Go
// Copyright 2012, 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 main import ( "expvar" "flag" "fmt" "net/http" _ "net/http/pprof" "os" "code.google.com/p/vitess/go/jscfg" "code.google.com/p/vitess/go/relog" r...
Go
// Copyright 2012, 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. /* This packages contains a few utility functions for network related functions. */ package netutil import ( "fmt" "math/rand" "net" "os" "sort" "strconv" ...
Go
// Copyright 2012, 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 pools import ( "fmt" "sync" "time" ) // RoundRobin is deprecated. Use ResourcePool instead. // RoundRobin allows you to use a pool of resources in a r...
Go
// Copyright 2012, 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 pools provides functionality to manage and reuse resources // like connections. package pools import ( "fmt" "time" "code.google.com/p/vitess/go/sy...
Go
// Copyright 2012, 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 pools import ( "errors" "fmt" "sync" "time" ) // Numbered allows you to manage resources by tracking them with numbers. // There are no interface res...
Go
// Copyright 2013, 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 sync2 import ( "sync" ) // Cond is an alternate implementation of sync.Cond type Cond struct { L sync.Locker sema chan struct{} waiters Atom...
Go
package sync2 // What's in a name? Channels have all you need to emulate a counting // semaphore with a boatload of extra functionality. However, in some // cases, you just want a familiar API. // // Additionally there is great debate on how to do this correctly: // // https://groups.google.com/forum/#!msg/golang-dev/...
Go
// Copyright 2013, 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 sync2 import ( "sync/atomic" "time" ) type AtomicInt32 int32 func (i *AtomicInt32) Add(n int32) int32 { return atomic.AddInt32((*int32)(i), n) } fun...
Go
// Copyright 2012, 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 sqltypes implements interfaces and types that represent SQL values. package sqltypes import ( "encoding/base64" "encoding/gob" "encoding/json" "fmt...
Go
package main import ( "code.google.com/p/vitess/go/umgmt" "flag" ) var sockPath = flag.String("sock-path", "", "") func main() { flag.Parse() println("sock path: ", *sockPath) uc, err := umgmt.Dial(*sockPath) if err != nil { panic(err) } msg, err := uc.Ping() if err != nil { panic(err) } println("msg:...
Go
// Copyright 2012, 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 umgmt import ( "io" "net" "net/rpc" "code.google.com/p/vitess/go/relog" ) type Client struct { *rpc.Client conn io.ReadWriteCloser } func Dial(ad...
Go
// Copyright 2012, 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 umgmt import ( "fmt" "net" "os" "syscall" ) func SendFd(conn *net.UnixConn, file *os.File) error { rights := syscall.UnixRights(int(file.Fd())) dum...
Go
// Copyright 2012, 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 micromanagment module provides a tiny server running on a unix // domain socket. // // It is meant as an alternative to signals for handling graceful // ser...
Go
// Copyright 2012, 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 umgmt import ( "crypto/tls" "crypto/x509" "expvar" "net" "net/http" "os" "strings" "sync" "code.google.com/p/vitess/go/relog" ) var connectionC...
Go
// Copyright 2012, 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 jscfg // A few simple macros for keeping JSON config files human readable // and consistent. import ( "encoding/json" "fmt" "io/ioutil" "code.google...
Go
package streamlog import ( "expvar" "io" "net/http" "net/url" "sync" "code.google.com/p/vitess/go/relog" "code.google.com/p/vitess/go/sync2" ) var droppedMessages = expvar.NewMap("streamlog-dropped-messages") // A StreamLogger makes messages sent to it available through HTTP. type StreamLogger struct { data...
Go
// Copyright 2012, 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 db defines an alternate (and simplified) // db api compared to go's database/sql. package db import ( "fmt" ) // Driver is the interface that must b...
Go
// Copyright 2012, 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 bytes2 gives you alternate implementations of functionality // similar to go's bytes package package bytes2 import ( "code.google.com/p/vitess/go/hac...
Go
// Copyright 2012, 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. // Utility functions for custom encoders package bson import ( "code.google.com/p/vitess/go/bytes2" ) func EncodeStringArray(buf *bytes2.ChunkedWriter, name st...
Go
// Copyright 2012, 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 bson import ( "io" "math" "reflect" "strconv" "time" "code.google.com/p/vitess/go/bytes2" ) var ( TimeType = reflect.TypeOf(time.Time{}) BytesT...
Go
// Copyright 2012, 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. // Utility functions for custom decoders package bson import ( "bytes" "math" "strconv" "time" "code.google.com/p/vitess/go/hack" ) var ( emptybytes = []...
Go
// Copyright 2012, 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 bson import ( "bytes" "encoding/binary" "errors" "fmt" "io" "math" "reflect" "strconv" "time" ) // BSON documents are lttle endian var Pack = b...
Go
// Copyright 2012, 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 logfile import ( "fmt" "io" "os" "path" "path/filepath" "sync" "time" ) type Logfile struct { mu sync.Mutex handle *os.File curName strin...
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 bufio implements buffered I/O. It wraps an io.Reader or io.Writer // object, creating another object (Reader or AsyncWriter) that also implements //...
Go
// Copyright 2012, 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 main import ( "flag" "fmt" "math/rand" "os" "sync" "time" "code.google.com/p/vitess/go/vt/client2/tablet" ) func main() { goroutines := flag.Int...
Go
package main type Version struct { value []int }
Go
package main import "fmt" type PackageVersion struct { Package string Version Version } func (p PackageVersion) String() string { return fmt.Sprintf("%v %v", p.Package, p.Version) }
Go
package main import ( "fmt" ) // main entry point func main() { packages := make([]*Package, 0, 100) packageVersions := make([]*PackageVersion, 0, 100) p := new(Package) p.title = "Test package" p.name = "test" packages = append(packages, p) pv := new(PackageVersion) pv.Package = p.name ...
Go
package main // a package like "Go Lite IDE" type Package struct { name string title string } func (p Package) String() string { return p.title + " (" + p.name + ")" }
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 2012 The golibpcap Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // The pcap package provides support for using the C pcap library from within a // Go program. Not...
Go
// Copyright 2012 The golibpcap 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 pkt /* #include <netinet/ip.h> #include <netinet/in.h> */ import "C" import ( "fmt" "net" ...
Go
// Copyright 2012 The golibpcap 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 pkt /* #include <netinet/in.h> #include <netinet/tcp.h> */ import "C" import ( "fmt" "refl...
Go
// Copyright 2012 The golibpcap Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // The pkt package provides access to the packet internals. // package pkt /...
Go
// Copyright 2012 The golibpcap 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 pkt import ( "fmt" "strconv" "strings" ) // The point of a HttpHdr is to ease the mappin...
Go
// Copyright 2012 The golibpcap 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 pkt /* #include <net/ethernet.h> #include <netinet/ether.h> #include <netinet/in.h> */ impor...
Go
// Copyright 2012 The golibpcap 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 pkt /* #include <netinet/ip6.h> */ import "C" import ( "f...
Go
// Copyright 2012 The golibpcap Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // This serves as an example of how to use of the Loop method for tracing a // network interface. Basically it is a very limited tcpdump. // // Example ...
Go
// Copyright (c) Google Inc. All Rights Reserved. // Author: Andrew Gerrand (adg@google.com) package timer import ( "bytes" "fmt" "time" ) type Timer struct { start time.Time point []time.Duration label []string } func New() *Timer { return &Timer{start: time.Now()} } // Point adds a opint to the Timer, ass...
Go
// Copyright (c) Google Inc. All Rights Reserved. // Author: Chris Broadfoot (cbro@google.com) package overlaytiler import ( "errors" "fmt" "image" "io" "math" "net/http" "strconv" "strings" _ "image/gif" _ "image/jpeg" _ "image/png" "appengine" "appengine/blobstore" "appengine/datastore" "appengine/...
Go
// Copyright (c) Google Inc. All Rights Reserved. // Author: Chris Broadfoot (cbro@google.com) package overlaytiler import ( "fmt" "appengine" "appengine/datastore" ) const ( tilesPerZoom = 1000 // limit to prevent DoS sliceQueue = "slice" tileQueue = "tile" zipQueue = "zip" sendQueue = "send" sliceB...
Go
// Copyright (c) Google Inc. All Rights Reserved. // Author: Chris Broadfoot (cbro@google.com) // Author: Andrew Gerrand (adg@google.com) package overlaytiler import ( "archive/zip" "bytes" "encoding/json" "fmt" "html/template" "image" "image/png" "math" "net/http" "net/url" "time" "appengine" "appengin...
Go
// Copyright (c) Google Inc. All Rights Reserved. // Author: Chris Broadfoot (cbro@google.com) // Author: Andrew Gerrand (adg@google.com) package overlaytiler import ( "encoding/json" "fmt" "html/template" "net/http" "net/url" "appengine" "appengine/blobstore" "appengine/channel" "appengine/datastore" "app...
Go
/* * jQuery File Upload Plugin GAE Go Example 3.0 * https://github.com/blueimp/jQuery-File-Upload * * Copyright 2011, Sebastian Tschan * https://blueimp.net * * Licensed under the MIT license: * http://www.opensource.org/licenses/MIT */ package app import ( "appengine" "appengine/blobstore" "appengine/ima...
Go
package bit import ( "math/big" ) // A bit array. type Array struct { *big.Int } // NewArray allocates and returns a new Bits set to x. func NewArray(x int64) *Array { return &Array{big.NewInt(x)} } // Count counts the number of set bits in b. func (b *Array) Count() (c int) { for _, v := range b.Bits() { c +...
Go
package algogo // Factorial returns n!. func Factorial(n int) (f int) { if n <= 1 { return 1 } f = 1 for i := n; i > 1; i-- { f *= i } return } // Permutations returns the number of k-permutations of n. func Permutations(n, k int) (p int) { if k > n { return 0 } p = 1 m := n - k for i := n; i > m; i-...
Go
package algogo // Reverse reverses the elements of array a func Reverse(a []int) { last := len(a) mid := last / 2 last-- for i := 0; i < mid; i++ { j := last - i a[i], a[j] = a[j], a[i] } } // Reversed returns a reversed copy of array a func Reversed(a []int) []int { b := Copied(a) Reverse(b) return b } ...
Go
package unionfind // UnionFind implementing quick-union and find with path compression. // NB New sets are created for each union // TODO Keep track of cluster sizes and use union-by-rank? type UnionFind struct { // parent index array Parent []int // index for new set newIndex int } func NewUnionFind(n int) *Un...
Go
package algogo // Modify array in and out to generate the next // k-combination of the n total elements of in and out. // Arrays in and out must be sorted in ascending order. // k elements are chosen from arrays in and out and placed in array in // array in constitutes the chosen elements; out consitutes the remaining...
Go
package algogo // NextPermutation modifies array a in place to the next permutation that is // lexicographically greater. // It returns false when the permutation is at the lexicographical minimum // (i.e. sorted in nondecreasing order). // It returns false no permutation is possible. // It returns true otherwise. // ...
Go
package main import ( "flag" "fmt" "os" ) func main() { }
Go
// Copyright 2010 Abiola Ibrahim <abiola89@gmail.com>. All rights reserved. // Use of this source code is governed by New BSD License // http://www.opensource.org/licenses/bsd-license.php // The content and logo is governed by Creative Commons Attribution 3.0 // The mascott is a property of Go governed by Creative Comm...
Go
// Copyright 2010 Abiola Ibrahim <abiola89@gmail.com>. All rights reserved. // Use of this source code is governed by New BSD License // http://www.opensource.org/licenses/bsd-license.php // The content and logo is governed by Creative Commons Attribution 3.0 // The mascott is a property of Go governed by Creative Comm...
Go
// -*- tab-width: 4 -*- package couch import ( "bytes" "errors" "fmt" "http" "io/ioutil" "json" "net" "net/http/httputil" "url" ) var def_hdrs = map[string][]string{} type buffer struct { b *bytes.Buffer } func (b *buffer) Read(out []byte) (int, error) { return b.b.Read(out) } func (b *buffer) Close() e...
Go
// Hello package package hellopkg // Say Hi function func SayHi() string { return "Hi" }
Go
// Hello command package main import ( "alvaro/hellopkg" "fmt" ) // Main function for the hello command func main() { fmt.Println(hellopkg.SayHi()) }
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 ( "encoding/json" "go/format" "net/http" "code.google.com/p/go.tools/imports" ) func init() { http.HandleFunc("/fmt", fmtHandler)...
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 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 goplay import ( "io" "net/http" "code.google.com/p/go.tools/godoc/static" ) func init() { http.HandleFunc("/playground.js", play) } func play(w...
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 ( "appengine" "appengine/datastore" "bytes" "crypto/sha1" "encoding/base64" "fmt" "io" "net/http" ) const salt = "[replace this...
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 ( "html/template" "net/http" "strings" "appengine" "appengine/datastore" ) const hostname = "play.golang.org" func init() { htt...
Go
package main import ( "./dep" ) func main() { dep.Meh() }
Go
package dep type bleh struct { hi int } func (me bleh) meh() string { if me == (bleh{}) { return "0" } return "1" } func Meh() { (bleh{}).meh() }
Go
package main //import "flag" import "fmt" import "math" import "os" import "runtime" import "strconv" type prime uint func generate(out chan prime) { out <- 2 out <- 3 for i := 6; ; i += 6 { out <- prime(i - 1) out <- prime(i + 1) } } func filter(in, out chan prime, n prime) { va...
Go
package main import "flag" import "fmt" import "os" import "strconv" func main() { flag.Parse() if flag.NArg() != 1 { os.Exit(2) } count, err := strconv.Atoi(flag.Arg(0)) if err != nil { os.Exit(2) } fmt.Println(fib(uint64(count))) } func fib(n uint64) []uint64 { retval := make([]uint64, n) var a, b uin...
Go
package main import ( "url" "strconv" "http" "io/ioutil" "os" ) const ( noneEvent = 0 completedEvent = 1 startedEvent = 2 stoppedEvent = 3 ) type Tracker interface { Announce(Torrent) ([]string, int, os.Error) } type udpTracker struct { host string path string } func...
Go
package main import ( "flag" "os" "bencode" "log" ) const block_size = 1 << 14 func newTorrent(metainfo bencode.Dict) *Torrent { t := &Torrent{Metainfo: metainfo} t.numberOfPieces = uint(len(t.Metainfo["info"].(bencode.Dict)["pieces"].(string)) / 20) url := t.trackers = append(t.track...
Go
package main
Go
package bencode import ( "io" "os" "strconv" ) var e = new(interface{}) type List []interface{} type Dict map[string]interface{} func Decode(r io.Reader) (interface{}, os.Error) { var t [1]byte n, err := r.Read(t[:]) if n != 1 { return nil, err } switch c := t[0]; { case c...
Go
package main import ( "bencode" "flag" "strconv" "os" "fmt" ) func main() { flag.Parse() val, err := bencode.Decode(os.Stdin) if err != nil { panic(err) } for _, arg := range flag.Args() { fmt.Println(arg) switch val.(type) { case bencode.List: ...
Go
package main import fmt "fmt" func main() { fmt.Printf("Hello, world; or Καλημέρα κόσμε; or こんにちは 世界\n") }
Go
package main import "sync" type Manager struct { lock sync.Mutex running uint waiting uint wakeup chan bool } func (m *Manager) Go(fn func()) { m.lock.Lock() m.running++ m.lock.Unlock() go func() { fn() defer func() { m.lock.Lock() m.running-- if m.running == 0 && m.waiting > 0 { for ; m...
Go
package main import ( "crypto/md5" "flag" "fmt" "path" "os" "runtime" "runtime/pprof" ) func abspath(p string) string { base, _ := os.Getwd() return path.Clean(path.Join(base, p)) } type Walker struct { paths chan<- string visited map[string]bool } func (me Walker) VisitDir(path string, f *os.FileInfo)...
Go
package main import ( "io" "os" ) type Data interface {} func Decode(r io.Reader) (out chan Data) { out = make(chan Data) go func() { for { var c [1]byte n, _ := r.Read(c[:]) if n == 0 { return } switch c[0] { ...
Go
package main //import "flag" import "fmt" //import "math" import "os" import "runtime" import "strconv" type prime uint func generate(out chan prime) { for i := prime(2); ; i++ { out <- i } } func filter(in, out chan prime, q prime) { for { p := <-in if p % q != 0 { o...
Go
package main //import "flag" import "fmt" import "math" import "os" import "runtime" import "strconv" type prime uint //const bufsize = 1000 func primes(n prime) { var primes []prime for p := prime(2); p <= n; p++ { s := prime(math.Sqrt(float64(p))) isprime := true for _, q := range ...
Go
package main import ( "http" "io/ioutil" "regexp" "url" "strconv" ) var langre = regexp.MustCompile("/languages/([^/\"]+)") func languages() (langs []string) { resp, err := http.Get("http://github.com/languages") if err != nil { panic(err) } body, err := ioutil.ReadAll(resp.Body) if err != nil { ...
Go
// The ncrpc package layers client-server and server-client // RPC interfaces on top of netchan. package ncrpc import ( "code.google.com/p/rog-go/ncnet" "errors" "fmt" "io" "log" "net" "net/rpc" "netchan" "sync" ) type Server struct { Exporter *netchan.Exporter RPCServer *rpc.Server mu sync.Mutex ...
Go
package values import ( "errors" "fmt" ) // Float64ToString returns a Lens which transforms from float64 // to string. The given formats are used to effect the conversion; // fmt.Sprintf(printf, x) is used to convert the float64 value x to string; // fmt.Sscanf(s, scanf, &x) is used to scan the string s into the fl...
Go
package values import ( "errors" "reflect" ) // NewConst returns a Value of type t which always returns the value v, // and gives an error when set. func NewConst(val interface{}, t reflect.Type) Value { if t == nil { return &constValue{reflect.ValueOf(val)} } v := &constValue{reflect.New(t).Elem()} v.val.Set...
Go
// The values package provides multiple-writer, // multiple-listener access to changing values. // It also provides (through the Transform function // and the Lens type) the facility to have multiple, // mutually updating views of the same value. // package values import ( "reflect" "sync" ) // A Value represents a...
Go
package values import ( "fmt" "reflect" ) // A Lens can transform from values of type T to values // of type T1. It can be reversed to transform in the // other direction, and be combined with other Lenses. // type Lens struct { f, finv func(reflect.Value) (reflect.Value, error) t, t1 reflect.Type } func okTra...
Go
// +build ignore package values // Marshal returns the value encoding of v. // Marshal traverses the value recursively. // // Boolean values encode as bool. // Signed integer types encode as int64. // Unsigned integer types encode as uint64. // Floating point types encode as float64 // Complex types encode as comple...
Go
// The netchanrpc package makes it possible to run an RPC service // over netchan. package ncnet import ( "errors" "fmt" "io" "log" "net" "netchan" ) const initMessage = "netconnect" type netchanAddr string type hanguper interface { Hangup(name string) error } func (a netchanAddr) String() string { return ...
Go
// The parallel package provides a way of running functions // concurrently while limiting the maximum number // running at once. package parallel import ( "fmt" "sync" ) // Run represents a number of functions running concurrently. type Run struct { limiter chan struct{} done chan error err chan error w...
Go
// The fakenet package provides a way to turn a regular io.ReadWriter // into a net.Conn, including support for timeouts. package fakenet import ( "io" "net" "time" ) type Addr string func (a Addr) Network() string { return "fakenet" } func (a Addr) String() string { return "fakenet:" + string(a) } // we've g...
Go
package fakenet import ( "errors" "io" "runtime" "sync" "time" ) // A ChanReader reads from a chan []byte to // satisfy Read requests. type ChanReader struct { mu sync.Mutex buf []byte c <-chan []byte closedCh chan bool closed bool } // NewChanReader creates a new ChanReader that // rea...
Go
package fakenet import ( "io" "net" ) type listener struct { addr net.Addr closedCh chan bool conns chan net.Conn } // NewListener creates a new net.Listener and returns a channel on which // it reads connections and gives to callers of Accept. The Listener // returns addr for its address (or Addr("fake...
Go
package readlines import ( "bufio" "io" "unicode/utf8" ) // Iter reads lines from r and calls fn with each read line, not // including the line terminator. If a line exceeds the given maximum // size, it will be truncated and the rest of the line discarded. If fn // returns a non-nil error, reading ends and the ...
Go