Describe what the Go function/method whose code is in the ``` block does. Your description should be a single sentence or short paragraph. The description shouldn't contain how the function works, just what it does.

There is no need to refer to the name of the function by starting the description like "The function 'Sum' is".

For techniques in use, describe things like whether a database call is made, an HTTP call is made, a goroutine is spawned, a channel is used, or an error is wrapped with fmt.Errorf %w. Try to list about 3, but if there are fewer than 3 in use then it is fine to list less than 3. Don't make up techniques just to have 3. Don't use the word 'technique' in the name or short description.

```
{{code}}
```

The types that the function is using are:

{{types}}

Here are some examples of how the function is unit tested:

{{unitTests}}

Architectural context for this function's package (how it fits into the system architecture):

{{architecturalContext}}
