Class Whitespace

tests/framework/src/doctest.cpp:2855–2860

    DOCTEST_REGISTER_REPORTER("junit", 0, JUnitReporter);

    struct Whitespace
    {
        int nrSpaces;
        explicit Whitespace(int nr)
                : nrSpaces(nr) {}
    };

    std::ostream& operator<<(std::ostream& out, const Whitespace& ws) {
        if(ws.nrSpaces != 0)