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Package defval

v1.25.0
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Published: Jun 22, 2020 | License: BSD-3-Clause | Module: google.golang.org/protobuf

Overview

Package defval marshals and unmarshals textual forms of default values.

This package handles both the form historically used in Go struct field tags and also the form used by google.protobuf.FieldDescriptorProto.default_value since they differ in superficial ways.

Index

func Marshal

func Marshal(v pref.Value, ev pref.EnumValueDescriptor, k pref.Kind, f Format) (string, error)

Marshal serializes v as the default string according to the given kind k. When specifying the Descriptor format for an enum kind, the associated enum value descriptor must be provided.

func Unmarshal

func Unmarshal(s string, k pref.Kind, evs pref.EnumValueDescriptors, f Format) (pref.Value, pref.EnumValueDescriptor, error)

Unmarshal deserializes the default string s according to the given kind k. When k is an enum, a list of enum value descriptors must be provided.

type Format

type Format int

Format is the serialization format used to represent the default value.

const (

	// Descriptor uses the serialization format that protoc uses with the
	// google.protobuf.FieldDescriptorProto.default_value field.
	Descriptor Format

	// GoTag uses the historical serialization format in Go struct field tags.
	GoTag
)

Package Files

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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