where is PoseidonUnit*L implementation

[Albertliucheng]

Hi,
I can not find the implementation of the poseidon function in Poseidon.sol,how can I implement it?

library PoseidonUnit1L {
function poseidon(uint256[1] calldata) public pure returns (uint256) {}
}

library PoseidonUnit2L {
function poseidon(uint256[2] calldata) public pure returns (uint256) {}
}
....

Thanks！

[Albertliucheng]

I have found the solution with circomlibjs generate abi in your repository