22 lines
439 B
Go
22 lines
439 B
Go
package middleware
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type eventStreamOutputKey struct{}
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func AddEventStreamOutputToMetadata(metadata *Metadata, output any) {
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metadata.Set(eventStreamOutputKey{}, output)
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}
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func GetEventStreamOutputToMetadata[T any](metadata *Metadata) (*T, bool) {
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val := metadata.Get(eventStreamOutputKey{})
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// not found
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if val == nil {
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return nil, false
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}
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// wrong type
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res, ok := val.(*T)
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if !ok {
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return nil, false
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}
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return res, true
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}
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