All incomplete examples have been updated and some corrections have been made to the parser to make them work. (0.37.17)

examples/json_showcase.fun

@@ -53,7 +53,7 @@ print(len(cfg["users"]))               // number of users
 
 // Derive a small summary map
 summary = {}
-summary["user_count"] = len(cfg["users"]) 
+summary["user_count"] = len(cfg["users"])
 summary["first_user_name"] = cfg["users"][1]["name"]
 summary["features_enabled"] = cfg["features"]["enabled"]
 
@@ -63,3 +63,45 @@ print(json.stringify(summary, 1))
 out_path = "/tmp/fun_complex_out.json"
 ok = json.to_file(out_path, cfg, 1)
 print(ok) // 1 on success
+
+/* Expected output:
+-- JSON: parse from string and pretty print --
+Dump:
+{"name": Ada, "active": true, "score": 99.5, "count": 42, "tags": [C, Ada, Math], "extra": nil}
+Ada
+true
+42
+3
+{
+  "name":"Ada",
+  "active":true,
+  "score":99.5,
+  "count":42,
+  "tags":[
+    "C",
+    "Ada",
+    "Math"
+  ],
+  "extra":null
+}
+-- JSON: load from file, inspect, and save pretty to /tmp --
+Dump:
+nil
+Dump:
+{"project": {"name": Fun, "version": 0.27.2, "website": https://fun-lang.xyz, "license": {"name": Apache-2.0, "url": https://opensource.org/license/apache-2-0}}, "features": {"enabled": [arrays, maps, json, pcsc], "experimental": {"repl": true, "sockets": true, "odbc": false, "notes": nil}}, "users": [{"id": 1, "name": Ada, "roles": [admin, math], "active": true, "score": 99.5, "prefs": {"theme": dark, "editor": {"tabWidth": 2, "font": Fira Code}}}, {"id": 2, "name": Linus, "roles": [user, kernel], "active": false, "score": 88, "prefs": {"theme": light, "editor": {"tabWidth": 8, "font": Monospace}}}], "metrics": {"counters": [0, 1, 1, 2, 3, 5, 8], "latency_ms": {"p50": 1.23, "p90": 3.21, "p99": 12.34}, "builds": 1234567890123456789, "last_release_ts": 1732406400000}, "matrix": [[1, 2, 3], [4, 5, 6], [7, 8, 9]], "notes": UTF-8 ✓ – emojis: 🚀🔥, "null_field": nil}
+Fun
+0.27.2
+2
+{
+  "user_count":2,
+  "first_user_name":"Linus",
+  "features_enabled":[
+    "arrays",
+    "maps",
+    "json",
+    "pcsc"
+  ]
+}
+1
+*/
+