{
    "Function": "_burn",
    "File": "contracts/test/ERC20.sol",
    "Parent Contracts": [
        "contracts/test/IERC20Metadata.sol",
        "contracts/util/IERC20.sol",
        "contracts/util/Context.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "_afterTokenTransfer",
        "_beforeTokenTransfer",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _burn(address account, uint256 amount) internal virtual {\n        require(account != address(0), \"ERC20: burn from the zero address\");\n\n        _beforeTokenTransfer(account, address(0), amount);\n\n        uint256 accountBalance = _balances[account];\n        require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n        unchecked {\n            _balances[account] = accountBalance - amount;\n        }\n        _totalSupply -= amount;\n\n        emit Transfer(account, address(0), amount);\n\n        _afterTokenTransfer(account, address(0), amount);\n    }"
}