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

# core::starknet::storage::sub_pointers::SubPointersMutForward

A trait for implementing `SubPointersMut` for types which are not a `StoragePointer`, such as
`StorageBase` and `StoragePath`.

## Signature

```rust theme={null}
pub trait SubPointersMutForward
```

## Trait functions

### sub\_pointers\_mut

#### Signature

```rust theme={null}
fn sub_pointers_mut(self: T) -> SubPointersMutForwardSubPointersType
```

## Trait types

### SubPointersType

#### Signature

```rust theme={null}
type SubPointersType;
```