Method unmarshal

decode.go:484–522

(n *Node, out reflect.Value)

}

func (d *decoder) unmarshal(n *Node, out reflect.Value) (good bool) {
	d.decodeCount++
	if d.aliasDepth > 0 {
		d.aliasCount++
	}
	if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > allowedAliasRatio(d.decodeCount) {
		failf("document contains excessive aliasing")
	}
	if out.Type() == nodeType {
		out.Set(reflect.ValueOf(n).Elem())
		return true
	}
	switch n.Kind {
	case DocumentNode:
		return d.document(n, out)
	case AliasNode:
		return d.alias(n, out)
	}
	out, unmarshaled, good := d.prepare(n, out)
	if unmarshaled {
		return good
	}
	switch n.Kind {
	case ScalarNode:
		good = d.scalar(n, out)
	case MappingNode:
		good = d.mapping(n, out)
	case SequenceNode:
		good = d.sequence(n, out)
	case 0:
		if n.IsZero() {
			return d.null(out)
		}
		fallthrough
	default:
		failf("cannot decode node with unknown kind %d", n.Kind)
	}
	return good
}

func (d *decoder) document(n *Node, out reflect.Value) (good bool) {
	if len(n.Content) == 1 {