23 lines
359 B
Go
23 lines
359 B
Go
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package context
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import (
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"golang.org/x/net/context"
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)
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type key int
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const (
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mdKey = key(0)
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)
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type MetaData map[string]string
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func GetMetaData(ctx context.Context) (MetaData, bool) {
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md, ok := ctx.Value(mdKey).(MetaData)
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return md, ok
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}
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func WithMetaData(ctx context.Context, md MetaData) context.Context {
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return context.WithValue(ctx, mdKey, md)
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}
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