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Current Path: /opt/golang/1.17.2/src/encoding/gob

opt / golang / 1.17.2 / src / encoding / gob /

📁 ..
📄 codec_test.go(35.03 KB)
📄 debug.go(18.21 KB)
📄 dec_helpers.go(13.32 KB)
📄 decgen.go(4.8 KB)
📄 decode.go(38.99 KB)
📄 decoder.go(6.8 KB)
📄 doc.go(16.72 KB)
📄 dump.go(575 B)
📄 enc_helpers.go(9.94 KB)
📄 encgen.go(3.76 KB)
📄 encode.go(20.02 KB)
📄 encoder.go(7.76 KB)
📄 encoder_test.go(26.97 KB)
📄 error.go(1.36 KB)
📄 example_encdec_test.go(1.54 KB)
📄 example_interface_test.go(2.14 KB)
📄 example_test.go(1.41 KB)
📄 gobencdec_test.go(18.38 KB)
📄 timing_test.go(6.16 KB)
📄 type.go(26.65 KB)
📄 type_test.go(6.14 KB)

Editing: example_encdec_test.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 gob_test

import (
	"bytes"
	"encoding/gob"
	"fmt"
	"log"
)

// The Vector type has unexported fields, which the package cannot access.
// We therefore write a BinaryMarshal/BinaryUnmarshal method pair to allow us
// to send and receive the type with the gob package. These interfaces are
// defined in the "encoding" package.
// We could equivalently use the locally defined GobEncode/GobDecoder
// interfaces.
type Vector struct {
	x, y, z int
}

func (v Vector) MarshalBinary() ([]byte, error) {
	// A simple encoding: plain text.
	var b bytes.Buffer
	fmt.Fprintln(&b, v.x, v.y, v.z)
	return b.Bytes(), nil
}

// UnmarshalBinary modifies the receiver so it must take a pointer receiver.
func (v *Vector) UnmarshalBinary(data []byte) error {
	// A simple encoding: plain text.
	b := bytes.NewBuffer(data)
	_, err := fmt.Fscanln(b, &v.x, &v.y, &v.z)
	return err
}

// This example transmits a value that implements the custom encoding and decoding methods.
func Example_encodeDecode() {
	var network bytes.Buffer // Stand-in for the network.

// Create an encoder and send a value.
	enc := gob.NewEncoder(&network)
	err := enc.Encode(Vector{3, 4, 5})
	if err != nil {
		log.Fatal("encode:", err)
	}

// Create a decoder and receive a value.
	dec := gob.NewDecoder(&network)
	var v Vector
	err = dec.Decode(&v)
	if err != nil {
		log.Fatal("decode:", err)
	}
	fmt.Println(v)

// Output:
	// {3 4 5}
}

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Editing: example_encdec_test.go

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