Method copy

db/revtree.go:482–489

Deep-copies a RevTree.

()

// Deep-copies a RevTree.
func (tree RevTree) copy() RevTree {
	result := RevTree{}
	for rev, info := range tree {
		copiedInfo := *info
		result[rev] = &copiedInfo
	}
	return result
}

// Prune all branches so that they have a maximum depth of maxdepth.
// There is one exception to that, which is tombstoned (deleted) branches that have been deemed "too old"