Checkout foundry

The template comes with:

• the forge standard library
• a yul-contract example to write yul contracts and implement tests for it
• an example how to test your yul contract via an interface or direct callings

• yul contracts go into /yul
• if your yul contract adhears to a clean abi, you can use a interface in /src for easier testing
• if you have problems, checkout /test/lib/YulDeployer.sol and follow comments

forge install
forge test

// use after installing / removing a dependency
forge remappings > remappings.txt

// update dependencies
forge update lib/xxxx

// gas report
forge test --gas-report

// update gas-snapshot
forge snapshot