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Add toArray documentation (#286)

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Jáchym Toušek 2019-10-11 20:30:42 +02:00 committed by Niklas Keller
parent 5a294f1381
commit ad31ed803c
1 changed files with 6 additions and 2 deletions
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docs/iterators/transformation.md
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@ -3,9 +3,9 @@ layout: docs
title: Iterator Transformation
permalink: /iterators/transformation
---
Amp provides two common transformation helpers for iterators: `map` and `filter`.
Amp provides some common transformation helpers for iterators: `map`, `filter` and `toArray`.
Further primitives are very easy to implement using `Producer` with those two as examples.
Further primitives are very easy to implement using `Producer` with these as examples.
## `map()`
@ -14,3 +14,7 @@ Further primitives are very easy to implement using `Producer` with those two as
## `filter()`
`filter()` accepts an `Iterator` and a `callable` `$filter`. If `$filter($value)` returns `false` the value gets filtered, otherwise the value is retained in the resulting `Iterator`.
## `toArray()`
`toArray()` accepts an `Iterator` and returns a `Promise` which resolves to an array of all the items from the iterator.