Allow to add none and node

2022-01-29 18:14:51 +01:00 · 2022-01-29 18:14:51 +01:00 · 3cad6bf607
commit 3cad6bf607
parent 5c53b9ff60
1 changed files with 3 additions and 0 deletions
--- a/src/eval/ops.rs
+++ b/src/eval/ops.rs
@ -84,6 +84,9 @@ pub fn add(lhs: Value, rhs: Value) -> StrResult<Value> {
        (Str(a), Str(b)) => Str(a + b),
        (Array(a), Array(b)) => Array(a + b),
        (Dict(a), Dict(b)) => Dict(a + b),
+
+        (Node(a), None) => Node(a),
+        (None, Node(b)) => Node(b),
        (Node(a), Node(b)) => Node(a + b),
        (Node(a), Str(b)) => Node(a + super::Node::Text(b)),
        (Str(a), Node(b)) => Node(super::Node::Text(a) + b),