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Function types (#6891)

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* Change Fn to fn for function types

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Support args and return types in function types

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Use fancy function types in the docs

Signed-off-by: Nick Cameron <nrc@ncameron.org>

---------

Signed-off-by: Nick Cameron <nrc@ncameron.org>
This commit is contained in:
Nick Cameron
2025-05-13 14:59:23 +12:00
committed by GitHub
parent 47feae3bd9
commit 01c7b69f50
16 changed files with 209 additions and 47 deletions
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4
docs/kcl-std/functions/std-array-map.md
View File

@ -10,7 +10,7 @@ Apply a function to every element of a list.
```kcl
map(
@array: [any],
f: Fn,
f: fn(any): any,
): [any]
```
@ -22,7 +22,7 @@ Given a list like `[a, b, c]`, and a function like `f`, returns
| Name | Type | Description | Required |
|----------|------|-------------|----------|
| `array` | [`[any]`](/docs/kcl-std/types/std-types-any) | Input array. The output array is this input array, but every element has had the function `f` run on it. | Yes |
| `f` | [`Fn`](/docs/kcl-std/types/std-types-Fn) | A function. The output array is just the input array, but `f` has been run on every item. | Yes |
| `f` | [`fn(any): any`](/docs/kcl-std/types/std-types-fn) | A function. The output array is just the input array, but `f` has been run on every item. | Yes |
### Returns

4
docs/kcl-std/functions/std-array-reduce.md
View File

@ -11,7 +11,7 @@ layout: manual
reduce(
@array: [any],
initial: any,
f: Fn,
f: fn(any, accum: any): any,
): [any]
```
@ -24,7 +24,7 @@ using the previous value and the element.
|----------|------|-------------|----------|
| `array` | [`[any]`](/docs/kcl-std/types/std-types-any) | Each element of this array gets run through the function `f`, combined with the previous output from `f`, and then used for the next run. | Yes |
| `initial` | [`any`](/docs/kcl-std/types/std-types-any) | The first time `f` is run, it will be called with the first item of `array` and this initial starting value. | Yes |
| `f` | [`Fn`](/docs/kcl-std/types/std-types-Fn) | Run once per item in the input `array`. This function takes an item from the array, and the previous output from `f` (or `initial` on the very first run). The final time `f` is run, its output is returned as the final output from `reduce`. | Yes |
| `f` | [`fn(any, accum: any): any`](/docs/kcl-std/types/std-types-fn) | Run once per item in the input `array`. This function takes an item from the array, and the previous output from `f` (or `initial` on the very first run). The final time `f` is run, its output is returned as the final output from `reduce`. | Yes |
### Returns