```console
$ rdocs collect ./fixtures
// remove this line
fn add_numbers(a: i32, b: i32) -> i32 {
    a + b
}
fn greet_person(name: &str) {
    println!("Hello, {}! Welcome to the Rust example.", name);
}
fn main() {
    // Call the add_numbers function
    let result = add_numbers(5, 7);
    println!("Result of adding numbers: {}", result);

    // Call the greet_person function
    greet_person("Alice");
}

```
```console
$ rdocs collect --format yaml ./fixtures
- metadata:
    id: adding_numbers
  data: |-
    // remove this line
    fn add_numbers(a: i32, b: i32) -> i32 {
        a + b
    }
- metadata:
    id: greet_person
  data: |-
    fn greet_person(name: &str) {
        println!("Hello, {}! Welcome to the Rust example.", name);
    }
- metadata:
    id: total_example
  data: |-
    fn main() {
        // Call the add_numbers function
        let result = add_numbers(5, 7);
        println!("Result of adding numbers: {}", result);

        // Call the greet_person function
        greet_person("Alice");
    }


```
```console
$ rdocs collect --format json ./fixtures
[
  {
    "metadata": {
      "id": "adding_numbers"
    },
    "data": "// remove this line/nfn add_numbers(a: i32, b: i32) -> i32 {/n    a + b/n}"
  },
  {
    "metadata": {
      "id": "greet_person"
    },
    "data": "fn greet_person(name: &str) {/n    println!(/"Hello, {}! Welcome to the Rust example./", name);/n}"
  },
  {
    "metadata": {
      "id": "total_example"
    },
    "data": "fn main() {/n    // Call the add_numbers function/n    let result = add_numbers(5, 7);/n    println!(/"Result of adding numbers: {}/", result);/n/n    // Call the greet_person function/n    greet_person(/"Alice/");/n}"
  }
]

```