The Software Economist Blog
Practical notes on Enterprise software systems and the economics of software.
...by Daniel Szego
"Simplicity is the ultimate sophistication."
Leonardo da Vinci
Tuesday, April 3, 2018
Solidity Tips and Tricks - empty address
If you want to check if your address is null or equals to the 0 address, you have to use the
address(0)
keyword, like in the following example:
contract TestContract {
function isAddressEmpty(address addr) returns (bool) {
return (addr == address(0));
}
}
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