Method CanOpen

core/tree.go:1114–1116

CanOpen returns true if the node is able to open. By default it checks HasChildren(), but could check other properties to perform lazy building of the tree.

()

// By default it checks HasChildren(), but could check other properties
// to perform lazy building of the tree.
func (tr *Tree) CanOpen() bool {
	return tr.HasChildren()
}

// Open opens the given node and updates the tree accordingly
// (if it is not already opened). It calls OnOpen in the [Treer]