{
  "module": "Test",
  "kind": "Generic Error",
  "text": [
    { "type": "text", "content": "Cannot assign a value to " },
    { "type": "code", "content": "a" },
    { "type": "text", "content": " because it is immutable." }
  ],
  "span": {
    "filename": "test-programs/suites/015-mutability/001-cant-assign-let/Test.aum",
    "startp": { "line": 4, "column": 8 },
    "end": { "line": 4, "column": 16 }
  },
  "context": [
    [ 2, "    function main(): ExitCode is" ],
    [ 3, "        let a: Int32 := 10;" ],
    [ 4, "        a := 20;" ],
    [ 5, "        return ExitSuccess();" ],
    [ 6, "    end;" ]
  ]
}