Atum: Transactional Try Example

gistfile1.js

var transactionalTryStatement = function(body, handlerId, handler, finalizer) {
    return bind(getState, function(state) { // Get the current state.
        return tryStatement(                // Then evaluate a try statement with an exception handler that
            body,                           // restores the saved state and executes the passed in handler.
            handlerId,
            next(setState(state), handler),
            finalizer);
    });
};