Adding upstream version 3.10.8.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tree/f3/fixed_children.go

@@ -0,0 +1,49 @@
+// Copyright Earl Warren <contact@earl-warren.org>
+// Copyright Loïc Dachary <loic@dachary.org>
+// SPDX-License-Identifier: MIT
+
+package f3
+
+import (
+	"context"
+
+	"code.forgejo.org/f3/gof3/v3/id"
+	"code.forgejo.org/f3/gof3/v3/kind"
+	"code.forgejo.org/f3/gof3/v3/tree/generic"
+)
+
+type fixedChildrenNode struct {
+	generic.Node
+
+	kinds []kind.Kind
+}
+
+func (o *fixedChildrenNode) GetChildren() generic.ChildrenSlice {
+	children := generic.NewChildrenSlice(len(o.kinds))
+	for _, kind := range o.kinds {
+		child := o.GetChild(id.NewNodeID(kind))
+		children = append(children, child)
+	}
+	return children
+}
+
+func (o *fixedChildrenNode) ListPage(ctx context.Context, page int) generic.ChildrenSlice {
+	if page > 1 {
+		return generic.NewChildrenSlice(0)
+	}
+	return o.GetChildren()
+}
+
+func newFixedChildrenNode(ctx context.Context, tree generic.TreeInterface, kinds []kind.Kind) generic.NodeInterface {
+	node := &fixedChildrenNode{}
+	node.Init(node)
+	node.kinds = kinds
+	for _, kind := range kinds {
+		id := id.NewNodeID(kind)
+		child := tree.Factory(ctx, kind)
+		child.SetID(id)
+		child.SetParent(node)
+		node.SetChild(child)
+	}
+	return node
+}