add native function isa(object,class)

2026-07-21 10:28:50 +08:00 · 2022-04-05 22:33:55 +08:00
parent 8b7e0e5181
commit 28ca3baf87
3 changed files with 43 additions and 2 deletions
@@ -174,5 +174,22 @@ println(values({
    c:3
 }));
 println(find("cd", "abcdef")); # prints 2
-println(find("x", "abcdef")); # prints -1
-println(find("cd", "abcdef")); # prints 2
+println(find("x", "abcdef"));  # prints -1
+println(find("cd", "abcdef")); # prints 2
+
+var a={
+    new: func(x=0){
+        return {
+            x:x,
+            parents:[a]
+        };
+    },
+    new2: func(x=0){
+        return {
+            x:x,
+            parents:a
+        };
+    }
+};
+println(isa(a.new(),a)); # 1
+println(isa(a.new2(),a));# 0