micro/server/context.go

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package server
import (
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"context"
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)
type serverKey struct{}
// FromContext returns Server from context
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func FromContext(ctx context.Context) (Server, bool) {
if ctx == nil {
return nil, false
}
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c, ok := ctx.Value(serverKey{}).(Server)
return c, ok
}
// NewContext stores Server to context
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func NewContext(ctx context.Context, s Server) context.Context {
if ctx == nil {
ctx = context.Background()
}
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return context.WithValue(ctx, serverKey{}, s)
}