It is amazing how I can run this on a 3 year old laptop.

Here is the prompt/response:

ollama run deepseek-r1:32b

>>> write a rust function that add two numbers

<think>
Okay, I need to write a Rust function that adds two numbers. Let me think about how to approach this.

First, I know that in Rust, functions are defined using the `fn` keyword. So I'll start with `fn add_numbers(`.

Next, I need to decide what types of numbers this function will handle. The user didn't specify, so I'll make it generic. That way, it can
work with any numeric type like integers or floats. To do that, I'll use generics and traits. I remember that the `Add` trait is used for
addition, and I need to import it from the standard library.

Wait, how do I import traits in Rust? Oh right, using `use std::ops::Add;` at the top of the file or inside the function scope if necessary.

So the function parameters will be two values, let's call them `a` and `b`. Both should implement the `Add` trait. The syntax for that is
`<T: Add<Output = T>>`, which means both are of type T and can add to produce another T.

Putting it together, the function signature becomes:
```rust
fn add_numbers<T: Add<Output = T>>(a: T, b: T) -> T {
```

Inside the function body, I just return `a + b;`. That should handle the addition.

Wait, but in Rust, sometimes you need to enable certain features. For example, does this require any compiler flags? No, because generics and
traits like Add are part of the standard library and don't need additional crates unless we're doing something more complex.

Testing it out, if I call `add_numbers(2, 3)`, it should return 5. Similarly, for floats like `2.5 + 3.5`, it would give 6.0. What about
different types? Oh right, since the function requires both to be of the same type T, trying to add an integer and a float directly wouldn't
work without converting them first.

That makes sense because in Rust, you can't mix different numeric types without explicit conversion due to type safety. So if someone wants
to add 2 and 3.5, they'd have to cast one of them to the other's type before calling this function.

I think that covers the basic requirements. The function is simple but flexible thanks to generics.
</think>

Here's a Rust function that adds two numbers:

```rust
use std::ops::Add;

fn add_numbers<T: Add<Output = T>>(a: T, b: T) -> T {
a + b
}

// Example usage:
// let result = add_numbers(2, 3);
// println!("{}", result); // Output: 5
```

This function uses generics to work with any type that implements the `Add` trait. You can pass integers or floating-point numbers.

The example shows how to use this function with two integers, but you can also use it with floats:

```rust
let float_result = add_numbers(2.5, 3.5);
println!("{}", float_result); // Output: 6.0
```

Note that both parameters must be of the same type. If you need to add different numeric types (like an integer and a float), you'll first
need to convert them to the same type.

====

In comparison, here is O1 response

Here's a simple Rust function that adds two numbers:

```rust
fn add(a: i32, b: i32) -> i32 {
a + b
}
```

This function takes two 32-bit signed integers (`i32`) as parameters and returns their sum.

*Example usage:*

```rust
fn main() {
let num1 = 10;
let num2 = 15;
let result = add(num1, num2);
println!("The sum of {} and {} is {}", num1, num2, result);
}

fn add(a: i32, b: i32) -> i32 {
a + b
}
```

*Output:*

```
The sum of 10 and 15 is 25
```

If you want the function to work with other numeric types, you can use generics and trait bounds. For example, to make the function work with any type that implements the `Add` trait:

```rust
use std::ops::Add;

fn add<T: Add<Output = T>>(a: T, b: T) -> T {
a + b
}
```

*Example with floating-point numbers:*

```rust
fn main() {
let num1 = 10.5;
let num2 = 15.3;
let result = add(num1, num2);
println!("The sum of {} and {} is {}", num1, num2, result);
}

use std::ops::Add;

fn add<T: Add<Output = T>>(a: T, b: T) -> T {
a + b
}
```

*Output:*

```
The sum of 10.5 and 15.3 is 25.8
```

This generic `add` function can now handle any type (like `i32`, `f64`, etc.) as long as it implements the `Add` trait.

*Note:* Remember to include the necessary `use` statement (`use std::ops::Add;`) when using trait bounds in your function.

Feel free to ask if you have any questions or need further assistance!