Jean Boussier 1042a0bdd8 JSON::Coder callback now recieve a second argument to mark object keys
e.g.
```ruby
{ 1 => 2 }
```

The callback will be invoked for `1` as while it has a native JSON
equivalent, it's not legal as an object name.
2025-09-19 19:30:10 +09:00
..
2025-07-15 07:24:28 +00:00
2025-09-10 05:37:21 +00:00
2025-07-17 11:16:30 +09:00
2025-09-13 17:10:44 +09:00
2025-09-15 13:05:17 +09:00