a''b
---
{}
---
{
  "val": [
    {
      "type": 0,
      "value": "a'b",
      "location": {
        "start": {
          "offset": 0,
          "line": 1,
          "column": 1
        },
        "end": {
          "offset": 4,
          "line": 1,
          "column": 5
        }
      }
    }
  ],
  "err": null
}