# mod.ts
export function add<T>(a: T, b: T) { return a + b; }

# diagnostics
error[missing-jsdoc]: exported symbol is missing JSDoc documentation
 --> /mod.ts:1:1
  | 
1 | export function add<T>(a: T, b: T) { return a + b; }
  | ^


error[missing-return-type]: exported function is missing an explicit return type annotation
 --> /mod.ts:1:1
  | 
1 | export function add<T>(a: T, b: T) { return a + b; }
  | ^

# output.txt
Defined in file:///mod.ts:0:1

function add<T>(a: T, b: T)


# output.json
{
  "symbols": [
    {
      "name": "add",
      "declarations": [
        {
          "location": {
            "filename": "file:///mod.ts",
            "line": 0,
            "col": 0,
            "byteIndex": 0
          },
          "declarationKind": "export",
          "kind": "function",
          "def": {
            "params": [
              {
                "kind": "identifier",
                "name": "a",
                "optional": false,
                "tsType": {
                  "repr": "T",
                  "kind": "typeRef",
                  "value": {
                    "typeName": "T",
                    "resolution": {
                      "kind": "typeParam",
                      "declaringName": "add",
                      "declaringKind": "function"
                    }
                  }
                }
              },
              {
                "kind": "identifier",
                "name": "b",
                "optional": false,
                "tsType": {
                  "repr": "T",
                  "kind": "typeRef",
                  "value": {
                    "typeName": "T",
                    "resolution": {
                      "kind": "typeParam",
                      "declaringName": "add",
                      "declaringKind": "function"
                    }
                  }
                }
              }
            ],
            "hasBody": true,
            "typeParams": [
              {
                "name": "T"
              }
            ]
          }
        }
      ]
    }
  ]
}
