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28 lines
466 B
Go
28 lines
466 B
Go
package merge
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import (
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"fmt"
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)
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type Table[K comparable, V Merges[V]] map[K]V
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func (t Table[K, V]) Merge(from Table[K, V]) error {
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for k, v := range from {
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e, ok := t[k]
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if !ok {
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var z V
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z = z.MergeIdentity()
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if err := z.Merge(v); err != nil {
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return fmt.Errorf("tables failed to merge: %w", err)
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}
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t[k] = z
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continue
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}
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if err := e.Merge(v); err != nil {
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return fmt.Errorf("tables failed to merge: %w", err)
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}
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}
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return nil
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}
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