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https://github.com/ethereum/solidity
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14 lines
488 B
Solidity
14 lines
488 B
Solidity
// The constructor of a base class should not be visible in the derived class
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contract A { constructor(string memory) public { } }
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contract B is A {
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function f() pure public {
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A x = A(0); // convert from address
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string memory y = "ab";
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A(y); // call as a function is invalid
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x;
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}
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}
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// ----
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// TypeError 3656: (131-301): Contract "B" should be marked as abstract.
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// TypeError 9640: (250-254): Explicit type conversion not allowed from "string memory" to "contract A".
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