hyperledger-solang_solang/fmt/testdata/TryStatement/original.sol

interface Unknown {
    function empty() external;
    function lookup() external returns(uint256);
    function lookupMultipleValues() external returns (uint256, uint256, uint256, uint256, uint256);

    function doSomething() external;
    function doSomethingElse() external;

    function handleError() external;
}

contract TryStatement {
    Unknown unknown;

    function test() external {
        try unknown.empty() {} catch {}

        try unknown.lookup() returns (uint256) {} catch Error(string memory) {}

        try unknown.lookup() returns (uint256) {} catch Error(string memory) {} catch (bytes memory) {}

    try unknown
        .lookup() returns   (uint256
                ) {
                } catch ( bytes  memory ){}

        try unknown.empty() {
            unknown.doSomething();
        } catch {
            unknown.handleError();
        }

        try unknown.empty() {
            unknown.doSomething();
        } catch Error(string memory) {}
        catch Panic(uint) {}
        catch {
            unknown.handleError();
        }

        try unknown.lookupMultipleValues() returns (uint256, uint256, uint256, uint256, uint256) {} catch Error(string memory) {} catch {}
 
        try unknown.lookupMultipleValues() returns (uint256, uint256, uint256, uint256, uint256) {
            unknown.doSomething();
        } 
        catch Error(string memory) {
             unknown.handleError();
        }
        catch {}

        // comment1
        try /* comment2 */ unknown.lookup() // comment3
        returns (uint256) // comment4
        {} // comment5
        catch /* comment6 */ {}

        // comment7
        try unknown.empty() { // comment8 
            unknown.doSomething();
        } /* comment9 */ catch /* comment10 */ Error(string memory) {
            unknown.handleError();
        } catch Panic /* comment11 */ (uint) {
            unknown.handleError();
        } catch {}
    }
}