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Compilation error in ethereum wallet

Discussion in 'Finance' started by user3207230, Aug 2, 2020 at 9:55 AM.

  1. user3207230

    user3207230 Guest

    I am trying to compile the example contract in https://ethereum.org/token and following along with the instructions.

    The Ethereum wallet cannot compile it though. I get the following error message

    Expected ',' but got identifier
    interface tokenRecipient { function receiveApproval(address _from,
    uint256 _value, address _token, bytes calldata _extraData) external; }

    ^--------^


    First time trying to do a contract in Ethereum, and figured that the example code from the official Ethereum website should work. Can anyone tell me what is wrong?

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