Fix ast.go: the insert() didn't check the returned error

2024-04-26 04:26:20 +02:00 · 2024-04-26 04:26:20 +02:00 · 75c0c0f681
commit 75c0c0f681
parent 268a968548
1 changed files with 3 additions and 2 deletions
--- a/ast.go
+++ b/ast.go
@ -83,8 +83,9 @@ func (self *ast) insert(tree, node *term) (root *term, err error) {
 		if tree.isComplete() {
 			var subRoot *term
 			last := tree.removeLastChild()
-			subRoot, err = self.insert(last, node)
-			subRoot.setParent(tree)
+			if subRoot, err = self.insert(last, node); err == nil {
+				subRoot.setParent(tree)
+			}
 		} else {
 			node.setParent(tree)
 		}