Method BoundLambda

Bcore/src/main/cpp/Dobby/tests/catch.hpp:5778–5779

  static_assert(UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument");
  explicit BoundLambda(L const &lambda) : m_lambda(lambda) {
  }

  auto setValue(std::string const &arg) -> ParserResult override {
    return invokeLambda<typename UnaryLambdaTraits<L>::ArgType>(m_lambda, arg);