solang-parser 0.2.1

Solang Solidity Parser
Documentation 
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contract test {
    function f() public pure {
        int x;
        uint y = uint(-x);
        -y;
    }
}
// ----
// TypeError 4907: (97-99): Unary operator - cannot be applied to type uint256. Unary negation is only allowed for signed integers.