metadata

package
Version: v0.0.0-...-2d8e61d Latest Latest
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Published: Feb 1, 2021 License: Apache-2.0 Imports: 2 Imported by: 9

Documentation

Overview

Package metadata is a way of defining message headers

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Delete

func Delete(ctx context.Context, k string) context.Context

Delete key from metadata

func Get

func Get(ctx context.Context, key string) (string, bool)

Get returns a single value from metadata in the context

func MergeContext

func MergeContext(ctx context.Context, patchMd Metadata, overwrite bool) context.Context

MergeContext merges metadata to existing metadata, overwriting if specified

func NewContext

func NewContext(ctx context.Context, md Metadata) context.Context

NewContext creates a new context with the given metadata

func Set

func Set(ctx context.Context, k, v string) context.Context

Set add key with val to metadata

Types

type Metadata

type Metadata map[string]string

Metadata is our way of representing request headers internally. They're used at the RPC level and translate back and forth from Transport headers.

func Copy

func Copy(md Metadata) Metadata

Copy makes a copy of the metadata

func FromContext

func FromContext(ctx context.Context) (Metadata, bool)

FromContext returns metadata from the given context

func (Metadata) Delete

func (md Metadata) Delete(key string)

func (Metadata) Get

func (md Metadata) Get(key string) (string, bool)

func (Metadata) Set

func (md Metadata) Set(key, val string)

Source Files

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