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

# core::box::Box

A `Box` is a type that points to a wrapped value.
It allows for cheap moving around of the value, as its size is small, and may wrap a large size.

## Signature

```rust theme={null}
pub extern type Box;
```