Type tuple() is not implicitly convertible to expected type bool

[darshilmistry]

Can someone please explain me what does this problem means and why is it happening?

This is the full problem:

[{
	"resource": "/home/darshil/Code/Blockchain/HardhatCrypto/contracts/PaymentInterface.sol",
	"owner": "solidity-language-server",
	"code": "7407",
	"severity": 8,
	"message": "Type tuple() is not implicitly convertible to expected type bool.",
	"source": "solidity",
	"startLineNumber": 107,
	"startColumn": 19,
	"endLineNumber": 107,
	"endColumn": 51
}]

I had updated a function or two and then this happened...
please help

[aaankeet]

@darshilmistry

Event invocations have to be prefixed by "emit". You need to use emit to invoke events.

[aaankeet]

mind sharing your code?

[aaankeet]

Type tuple() is not implicitly convertible to expected type bool. There is a type mismatch the compiler is expecting a boolean type but is encountering a tuple instead.

[darshilmistry]

mind sharing your code?

function transferFrom(address from, address to, uint256 amount) public override returns (bool) {
        bool success = false;
        if(to == address(0)) {
            revert PI__invalidAddress(to);
        }

        else if(from == address(0)) {
            revert PI__invalidAddress(from);
        }

        else {
            unchecked {
                balances[ from ] -= amount;
                balances[ to ] += amount;
                success = true;
            }
            emit Transfer(
                from, to, amount
            );
        }
        return success;
    }

function transfer(address to, uint256 amount) external override returns (bool){
        bool success = false;
        if(to == address(0)) revert PI__invalidAddress(to);

        success = Transfer(msg.sender, to, amount);

        return success;
    
    }

Both of these are overridden from openzepplin's IERC20.sol

[aaankeet]

@darshilmistry

In transfer function success is of type of bool but you are assigning its value to a tuple on line 3 which is not allowed. A boolean can either be true or false.

That's why you are getting this error : Type tuple() is not implicitly convertible to expected type bool.

function transfer(address to, uint256 amount) external override returns (bool){
        bool success = false;
        if(to == address(0)) revert PI__invalidAddress(to);

        success = Transfer(msg.sender, to, amount);

        return success;
    
    }

[darshilmistry]

I am really sorry; I just miss-spelled the function and this was an outcome.