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## `read`

### Signature

```solidity
function read_bytes32(StdStorage storage self) internal returns (bytes32);
```

```solidity
function read_bool(StdStorage storage self) internal returns (bool);
```

```solidity
function read_address(StdStorage storage self) internal returns (address);
```

```solidity
function read_uint(StdStorage storage self) internal returns (uint256);
```

```solidity
function read_int(StdStorage storage self) internal returns (int256);
```

### Description

Reads the value from the storage slot as `bytes32`, `bool`, `address`, `uint256`, or `int256`.

Reverts with a message if unsuccessful.