File: propagation.go

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golang-github-openzipkin-zipkin-go 0.1.5%2Bgit20190103.2fd7f4a-1
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/*
Package propagation holds the required function signatures for Injection and
Extraction as used by the Zipkin Tracer.

Subpackages of this package contain officially supported standard propagation
implementations.
*/
package propagation

import "github.com/openzipkin/zipkin-go/model"

// Extractor function signature
type Extractor func() (*model.SpanContext, error)

// Injector function signature
type Injector func(model.SpanContext) error