> ## Documentation Index
> Fetch the complete documentation index at: https://starkware-9575960b-starkzapv4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Core iter traits collect traits

## [Traits](./core-iter-traits-collect-traits)

| | |
| :- | :- |
| [Extend](./core-iter-traits-collect-Extend) | Extend a collection with the contents of an iterator. Iterators produce a series of values, and collections can also be thought of as a series of values. The `Extend`... |
| [FromIterator](./core-iter-traits-collect-FromIterator) | Conversion from an [`Iterator`](./core-iter-traits-iterator-Iterator) . By implementing `FromIterator`  for a type, you define how it will be... |
| [IntoIterator](./core-iter-traits-collect-IntoIterator) | Conversion into an [`Iterator`](./core-iter-traits-iterator-Iterator) . By implementing `IntoIterator`  for a type, you define how it will be... |


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