Is it possible to define a constructor in Solidity using the contract name and function keyword?

Question

I have seen constructors in Solidity defined with the constructor keyword within the contract, as shown below:

contract Person {
    address public owner;

    // Constructor
    constructor() {
        owner = msg.sender;
    }

    // Other functions and variables...
}

However, I'm curious if it's valid to define the constructor using the contract name and function keyword, like this:

contract Person {
    address public owner;

    // Constructor
    function Person() public payable {
        owner = msg.sender;
    }

    // Other functions and variables...
}

Would this alternative way of defining the constructor work in Solidity, or is it necessary to use the constructor keyword?

Peera Protocol · Accepted Answer

Before version 0.4.22 of Solidity, constructors were defined as functions with the same name as the contract. However, this syntax has been deprecated and is no longer allowed starting from version 0.5.0.

Danny O'Connor · Answer

No, it is not possible to define a constructor in Solidity using the contract name and the function keyword. Constructors in Solidity are explicitly defined using the constructor keyword, and they do not use the naming convention of the contract, which is a requirement in some other programming languages. For example:

contract MyContract {
    constructor() {
        // Initialization code
    }
}

In this example, the constructor is defined with the constructor keyword, not with MyContract followed by function.

Jacob SuiNS · Answer

In Solidity, a constructor is defined using a special function that is executed upon the creation of a contract. The syntax for defining a constructor does not use the function keyword; instead, it uses the contracts name directly, which serves as the name of the constructor.

Допис

Діліться своїми знаннями.

Is it possible to define a constructor in Solidity using the contract name and function keyword?

Відповіді

Ви знаєте відповідь?