20 lines
395 B
Go
20 lines
395 B
Go
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package tree
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import "context"
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type Handler[C any, D any, R any] interface {
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Apply(ctx context.Context, command C, dynamic D) (R, error)
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}
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func Route[C any, D any, R any](ctx context.Context, next Handler[C, D, R], command C, dynamic D) (R, error) {
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if next == nil {
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return zero[R](), nil
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}
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return next.Apply(ctx, command, dynamic)
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}
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func zero[T any]() T {
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var value T
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return value
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}
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