Solidity Scoping And Declarations Example 1

// This code does not compile because it contains illegal statements

pragma solidity ^0.4.0;

contract ErrorScoping {
    function scopeErrors() {
        uint i = 0;

        while (i++ < 1) {
            uint similar1 = 0;
        }

        while (i++ < 2) {
            uint similar1 = 0;// Being the second declaration of the variable similar1, it is illegal
        }
    }

    function minimalErrorScoping() {
        {
            uint similar2 = 0;
        }

        {
            uint similar2 = 0;// Being the second declaration of the variable similar2, it is illegal
        }
    }

    function forLoopErrorScoping() {
        for (uint similar3 = 0; similar3 < 1; similar3++) {
        }

        for (uint similar3 = 0; similar3 < 1; similar3++) {// Being the second declaration of the variable similar3, it is illegal
        }
    }
}