Method endExpression

tests/catch.h:1845–1851

    }

    void endExpression() {
        bool value = m_lhs ? true : false;
        m_rb
            .setLhs( Catch::toString( value ) )
            .setResultType( value )
            .endExpression();
    }

    // Only simple binary expressions are allowed on the LHS.
    // If more complex compositions are required then place the sub expression in parentheses