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Published: Feb 23, 2016 License: BSD-3-Clause, Apache-2.0 Imports: 4 Imported by: 0



Package metadata define the structure of the metadata supported by gRPC library.



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func DecodeKeyValue

func DecodeKeyValue(k, v string) (string, string, error)

DecodeKeyValue returns the original key and value corresponding to the encoded data in k, v.

func NewContext

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

NewContext creates a new context with md attached.


type MD

type MD map[string][]string

MD is a mapping from metadata keys to values. Users should use the following two convenience functions New and Pairs to generate MD.

func FromContext

func FromContext(ctx context.Context) (md MD, ok bool)

FromContext returns the MD in ctx if it exists.

func New

func New(m map[string]string) MD

New creates a MD from given key-value map.

func Pairs

func Pairs(kv ...string) MD

Pairs returns an MD formed by the mapping of key, value ... Pairs panics if len(kv) is odd.

func (MD) Copy

func (md MD) Copy() MD

Copy returns a copy of md.

func (MD) Len

func (md MD) Len() int

Len returns the number of items in md.

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