func: constructor(string _name, string _symbol, uint8 _decimals, uint _totalSupply, bool _transferable) public {   
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
        totalSupply = _totalSupply;
        balances[tx.origin] = _totalSupply;
        transferable = _transferable;
        emit Transfer(address(0), tx.origin, _totalSupply);
    }