contract test { function test(uint a) public { } function test() public {} } // ---- // Warning: (17-49): Defining constructors as functions with the same name as the contract is deprecated. Use "constructor(...) { ... }" instead. // Warning: (51-76): Defining constructors as functions with the same name as the contract is deprecated. Use "constructor(...) { ... }" instead. // DeclarationError: (17-49): More than one constructor defined.