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Naveen Sampath04696f72022-06-13 15:19:14 +05301// Copyright 2019 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// Package proto provides functions operating on protocol buffer messages.
6//
7// For documentation on protocol buffers in general, see:
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +05308// https://protobuf.dev.
Naveen Sampath04696f72022-06-13 15:19:14 +05309//
10// For a tutorial on using protocol buffers with Go, see:
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053011// https://protobuf.dev/getting-started/gotutorial.
Naveen Sampath04696f72022-06-13 15:19:14 +053012//
13// For a guide to generated Go protocol buffer code, see:
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053014// https://protobuf.dev/reference/go/go-generated.
Naveen Sampath04696f72022-06-13 15:19:14 +053015//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053016// # Binary serialization
Naveen Sampath04696f72022-06-13 15:19:14 +053017//
18// This package contains functions to convert to and from the wire format,
19// an efficient binary serialization of protocol buffers.
20//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053021// - [Size] reports the size of a message in the wire format.
Naveen Sampath04696f72022-06-13 15:19:14 +053022//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053023// - [Marshal] converts a message to the wire format.
24// The [MarshalOptions] type provides more control over wire marshaling.
Naveen Sampath04696f72022-06-13 15:19:14 +053025//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053026// - [Unmarshal] converts a message from the wire format.
27// The [UnmarshalOptions] type provides more control over wire unmarshaling.
Naveen Sampath04696f72022-06-13 15:19:14 +053028//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053029// # Basic message operations
Naveen Sampath04696f72022-06-13 15:19:14 +053030//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053031// - [Clone] makes a deep copy of a message.
Naveen Sampath04696f72022-06-13 15:19:14 +053032//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053033// - [Merge] merges the content of a message into another.
Naveen Sampath04696f72022-06-13 15:19:14 +053034//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053035// - [Equal] compares two messages. For more control over comparisons
36// and detailed reporting of differences, see package
37// [google.golang.org/protobuf/testing/protocmp].
Naveen Sampath04696f72022-06-13 15:19:14 +053038//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053039// - [Reset] clears the content of a message.
Naveen Sampath04696f72022-06-13 15:19:14 +053040//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053041// - [CheckInitialized] reports whether all required fields in a message are set.
Naveen Sampath04696f72022-06-13 15:19:14 +053042//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053043// # Optional scalar constructors
Naveen Sampath04696f72022-06-13 15:19:14 +053044//
45// The API for some generated messages represents optional scalar fields
46// as pointers to a value. For example, an optional string field has the
47// Go type *string.
48//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053049// - [Bool], [Int32], [Int64], [Uint32], [Uint64], [Float32], [Float64], and [String]
50// take a value and return a pointer to a new instance of it,
51// to simplify construction of optional field values.
Naveen Sampath04696f72022-06-13 15:19:14 +053052//
53// Generated enum types usually have an Enum method which performs the
54// same operation.
55//
56// Optional scalar fields are only supported in proto2.
57//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053058// # Extension accessors
Naveen Sampath04696f72022-06-13 15:19:14 +053059//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053060// - [HasExtension], [GetExtension], [SetExtension], and [ClearExtension]
61// access extension field values in a protocol buffer message.
Naveen Sampath04696f72022-06-13 15:19:14 +053062//
63// Extension fields are only supported in proto2.
64//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053065// # Related packages
Naveen Sampath04696f72022-06-13 15:19:14 +053066//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053067// - Package [google.golang.org/protobuf/encoding/protojson] converts messages to
68// and from JSON.
Naveen Sampath04696f72022-06-13 15:19:14 +053069//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053070// - Package [google.golang.org/protobuf/encoding/prototext] converts messages to
71// and from the text format.
Naveen Sampath04696f72022-06-13 15:19:14 +053072//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053073// - Package [google.golang.org/protobuf/reflect/protoreflect] provides a
74// reflection interface for protocol buffer data types.
Naveen Sampath04696f72022-06-13 15:19:14 +053075//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053076// - Package [google.golang.org/protobuf/testing/protocmp] provides features
77// to compare protocol buffer messages with the [github.com/google/go-cmp/cmp]
78// package.
Naveen Sampath04696f72022-06-13 15:19:14 +053079//
Akash Reddy Kankanala105581b2024-09-11 05:20:38 +053080// - Package [google.golang.org/protobuf/types/dynamicpb] provides a dynamic
81// message type, suitable for working with messages where the protocol buffer
82// type is only known at runtime.
Naveen Sampath04696f72022-06-13 15:19:14 +053083//
84// This module contains additional packages for more specialized use cases.
85// Consult the individual package documentation for details.
86package proto