Forge Standard Library Reference

Forge Standard Library (Forge Std for short) is a collection of helpful contracts that make writing tests easier, faster, and more user-friendly.

Using Forge Std is the preferred way of writing tests with Foundry.

What's included:

Vm.sol: Up-to-date cheatcodes interface
```
import {Vm} from "forge-std/Vm.sol";
```
console.sol and console2.sol: Hardhat-style logging functionality
```
import {console} from "forge-std/console.sol";
```
Note: console2.sol contains patches to console.sol that allow Forge to decode traces for calls to the console, but it is not compatible with Hardhat.
```
import {console2} from "forge-std/console2.sol";
```
Script.sol: Basic utilities for Solidity scripting
```
import {Script} from "forge-std/Script.sol";
```
Test.sol: The complete Forge Std experience (more details below)
```
import {Test} from "forge-std/Test.sol";
```

The Test contract in Test.sol provides all the essential functionality you need to get started writing tests.

Simply import Test.sol and inherit from Test in your test contract:

import {Test} from "forge-std/Test.sol";

contract ContractTest is Test { ...

What's included:

Std Libraries
- Std Logs: Expand upon the logging events from the DSTest library.
- Std Assertions: Expand upon the assertion functions from the DSTest library.
- Std Cheats: Wrappers around Forge cheatcodes for improved safety and DX.
- Std Errors: Wrappers around common internal Solidity errors and reverts.
- Std Storage: Utilities for storage manipulation.
- Std Math: Useful mathematical functions.
- Script Utils: Utility functions which can be accessed in tests and scripts.
- Console Logging: Console logging functions.
A cheatcodes instance vm, from which you invoke Forge cheatcodes (see Cheatcodes Reference)
```
vm.startPrank(alice);
```
All Hardhat console functions for logging (see Console Logging)
```
console.log(alice.balance); // or `console2`
```
All Dappsys Test functions for asserting and logging (see Dappsys Test reference)
```
assertEq(dai.balanceOf(alice), 10000e18);
```

Utility functions also included in Script.sol (see Script Utils)

// Compute the address a contract will be deployed at for a given deployer address and nonce
address futureContract = computeCreateAddress(alice, 1);

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