metadata

package
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Published: Feb 29, 2024 License: MIT Imports: 3 Imported by: 0

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)

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