TypeError: Data location must be "memory" for return parameter in function, but none was given.

本文转载自查看原文 2019-07-17 15:59 493 区块链

在用truffle编译智能合约时，报错 TypeError: Data location must be "memory" for return parameter in function, but none was given.这是由于solidity 0.5.0版本的更新导致的，只需要在address[16]后面加上memory就可以了。

即： function getAdopters() public view returns (address[16] memory) {
return adopters;
}

编译通过，美滋滋

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