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	diff --git a/include/rosa/deluxe/DeluxeContext.hpp b/include/rosa/deluxe/DeluxeContext.hpp
	index 646e866..730d0ab 100755
	--- a/include/rosa/deluxe/DeluxeContext.hpp
	+++ b/include/rosa/deluxe/DeluxeContext.hpp
	@@ -1,333 +1,358 @@
	//===-- rosa/deluxe/DeluxeContext.hpp ---------------------------- C++ --===//
	//
	// The RoSA Framework
	//
	//===----------------------------------------------------------------------===//
	///
	/// \file rosa/deluxe/DeluxeContext.hpp
	///
	/// \author David Juhasz (david.juhasz@tuwien.ac.at)
	///
	/// \date 2017-2019
	///
	/// \brief Public interface for the deluxe interface for working with agent
	/// systems.
	///
	//===----------------------------------------------------------------------===//

	#ifndef ROSA_DELUXE_DELUXECONTEXT_HPP
	#define ROSA_DELUXE_DELUXECONTEXT_HPP

	#include "rosa/deluxe/DeluxeSystem.hpp"

	#include "rosa/support/types.hpp"

	#include <iterator>
	#include <memory>
	#include <set>

	/// Local helper macro to log and return a
	/// \c rosa::deluxe::DeluxeContext::ErrorCode value.
	///
	/// Creates a debug message with the stringified value and returns the value.
	///
	/// \param Err \c rosa::deluxe::DeluxeContext::ErrorCode value to log and
	/// return
	#define DCRETERROR(Err) \
	{ \
	LOG_DEBUG(#Err); \
	return Err; \
	}

	namespace rosa {
	namespace deluxe {

	/// Defines the deluxe interface.
	class DeluxeContext {

	/// A system owned by \p this object.
	///
	/// \note The reference is kept in a \c std::shared_ptr because of the member
	/// function \c rosa::deluxe::DeluxeContext::getSystem.
	std::shared_ptr<DeluxeSystem> System;

	/// References to all sensors and agents created by \p this object.
	std::set<AgentHandle> DeluxeUnits;

	public:

	/// Errors that may be resulted by some of the member functions of the class.
	enum struct ErrorCode {
	NoError,
	TypeMismatch,
	NotSensor,
	NotAgent,
	WrongPosition,
	AlreadyHasSlave,
	AlreadyHasMaster,
	AlreadyHasValueStream
	};

	/// Returns a new instance of \c rosa::deluxe::DeluxeContext.
	///
	/// \param Name name of the underlying \c rosa::DeluxeSystem
	///
	/// \return \c std::unique_ptr for the new instance of
	/// \c rosa::deluxe::DeluxeContext with a new, empty \c rosa::DeluxeSystem
	static std::unique_ptr<DeluxeContext>
	create(const std::string &Name) noexcept;

	private:
	/// Creates a new instance.
	///
	/// \note Private constructor restricts instantiation to member functions of
	/// the class.
	///
	/// \param Name name of the underlying \c rosa::MessagingSystem
	DeluxeContext(const std::string &Name) noexcept;

	public:
	/// Destroys \p this object.
	~DeluxeContext(void) noexcept;

	/// Returns a reference for the underlying \c rosa::MessagingSystem.
	///
	/// \note One cannot do much with a \c rosa::MessagingSystem currently, this
	/// is for future use.
	///
	/// \return reference for the underlying \c rosa::MessagingSystem.
	std::weak_ptr<MessagingSystem> getSystem(void) const noexcept;

	/// Creates a new sensor in the context of \p this object.
	///
	/// \tparam T type of data the new sensor operates on
	///
	/// \todo The current implementation is an intermediate state, handles
	/// built-in types and std::tuple, but the latter with with one element only.
	/// Fix it when merging with DeluxeTuple.
	///
	/// \param Name name of the new sensor
	/// \param F function for the new sensor to generate the next value with
	/// during normal operation
	///
	/// \note \p F is not used during simulation, in which case
	/// \c rosa::deluxe::DeluxeContext::registerSensorValues is used to register
	/// an alternative simulation data source with
	/// \c rosa::deluxe::DeluxeSensor::registerSimulationDataSource. One may
	/// safely keep relying on the default value of \p F as long as only
	/// simulation of the system is to be done.
	///
	/// \return \c rosa::AgentHandle for the new sensor
	template <typename T>
	AgentHandle createSensor(const std::string &Name,
	DeluxeSensor::D<T> &&F = [](void) {
	return T();
	}) noexcept;

	/// Creates a new agent in the context of \p this object.
	///
	/// \tparam T type of data the new agent outputs
	/// \tparam As types of inputs the new agent takes
	///
	/// \param Name name of the new agent
	/// \param F function for the new agent to process input values and
	/// generate output with
	///
	/// \return \c rosa::AgentHandle for the new agent
	template <typename T, typename... As>
	AgentHandle createAgent(const std::string &Name,
	DeluxeAgent::D<T, As...> &&F) noexcept;

	/// Connectes a sensor to an agent in the context of \p this object.
	///
	/// \param Agent the agent to connect to
	/// \param Pos the index of slot of \p Agent to connect \p Sensor to
	/// \param Sensor the sensor to connect
	/// \param Description optional textual description of the connection
	///
	/// \return how successfull connecting \p Sensor to \p Agent at slot index
	/// \p Pos was
	///
	/// \note The function may return the following
	/// \c rosa::deluxe::DeluxeContext::ErrorCode values:
	/// `ErrorCode` \| Comment
	/// ----------- \| -------
	/// `NoError` \| Success
	/// `NotAgent` \| Referred \p Agent is not \c rosa::deluxe::DeluxeAgent
	/// `NotSensor` \| Referred \p Sensor is not \c rosa::deluxe::DeluxeSensor
	/// `WrongPosition` \| \p Pos is not a valid input position of \p Agent
	/// `TypeMismatch` \| Expected input type at position \p Pos of \p Agent is other than the output type of \p Sensor
	/// `AlreadyHasSlave` \| \p Agent at position \p Pos already has a slave registered
	/// `AlreadyHasMaster` \| \p Sensor already has a master registered
	ErrorCode connectSensor(AgentHandle Agent, const size_t Pos,
	AgentHandle Sensor,
	const std::string &Description = "") noexcept;

	/// Connectes two agents in the context of \p this object.
	///
	/// \param Master the agent to connect to
	/// \param Pos the index of slot of \p Master to connect \p Slave to
	/// \param Slave the agent to connect
	/// \param Description optional textual description of the connection
	///
	/// \return how succesfull connecting \p Slave to \p Master at slot index
	/// \p Pos was
	///
	/// \note The function may return the following
	/// \c rosa::deluxe::DeluxeContext::ErrorCode values:
	/// `ErrorCode` \| Comment
	/// ----------- \| -------
	/// `NoError` \| Success
	/// `NotAgent` \| Referred \p Master or \p Slave is not \c rosa::deluxe::DeluxeAgent
	/// `WrongPosition` \| \p Pos is not a valid input position of \p Master
	/// `TypeMismatch` \| Expected input type at position \p Pos of \p Master is other than the output type of \p Slave
	/// `AlreadyHasSlave` \| \p Master at position \p Pos already has a slave registered
	/// `AlreadyHasMaster` \| \p Slave already has a master registered
	ErrorCode connectAgents(AgentHandle Master, const size_t Pos,
	AgentHandle Slave,
	const std::string &Description = "") noexcept;

	/// Initializes \c this object and others managed by \p this object for
	/// setting up and performing simulation.
	///
	/// \see \c rosa::deluxe::DeluxeContext::registerSensorValues,
	/// \c rosa::deluxe::DeluxeContext::simulate
	///
	/// Need to clear simulation data sources from all the sensors.
	void initializeSimulation(void) noexcept;

	/// Registers a stream providing values for a sensor during simulation.
	///
	/// \tparam Iterator type of iterator providing values for \p Sensor
	/// \tparam T type of values \p Sensor is operating on, always use default!
	///
	/// \param Sensor the sensor to register values for
	/// \param Start provides values for \p Sensor
	/// \param End denotes the end of stream of values
	/// \param Default value to be used when input stream is depleted during
	/// simulation
	///
	/// \return how successful registering \p Source for \p Sensor
	///
	/// \note The function may return the following
	/// \c rosa::deluxe::DeluxeContext::ErrorCode values:
	/// `ErrorCode` \| Comment
	/// ----------- \| -------
	/// `NoError` \| Success
	/// `TypeMismatch` \| \p Sensor generates values of a type other than \p T
	/// `NotSensor` \| Referred \p Sensor is not \c rosa::deluxe::DeluxeSensor
	/// `AlreadyHasValueStream` \| \p Sensor already has simulation data source set
	template <typename Iterator, typename T = typename Iterator::value_type>
	ErrorCode registerSensorValues(AgentHandle Sensor, Iterator &&Start,
	const Iterator &End, T Default = {}) noexcept;

	/// Performs the system contained by \p this object.
	///
	/// The function performs \p NumCycles cycle of simulation. In each cycle,
	/// all the agents and sensors registered in
	/// \c rosa::deluxe::DeluxeContext::DeluxeUnits are trigged for execution.
	///
	/// \param NumCycles number of cycles to perform
	///
	/// \pre All the sensors in the system contained by \p this object generate
	/// their output from simulation data sources.
	void simulate(const size_t NumCycles) const noexcept;
	};

	template <typename T>
	AgentHandle DeluxeContext::createSensor(const std::string &Name,
	DeluxeSensor::D<T> &&F) noexcept {
	AgentHandle H = System->createSensor<T>(Name, std::move(F));
	DeluxeUnits.emplace(H);
	return H;
	}

	template <typename T, typename... As>
	AgentHandle DeluxeContext::createAgent(const std::string &Name,
	DeluxeAgent::D<T, As...> &&F) noexcept {
	AgentHandle H = System->createAgent(Name, std::move(F));
	DeluxeUnits.emplace(H);
	return H;
	}

	/// Anonymous namespace for helper facilities, consider it private.
	namespace {

	-/// \todo Document...
	-template <typename T> struct UnwrapSensorType { using Type = T; };
	+///\defgroup UnwrapSensorType Type helper for implementing \c
	+/// rosa::deluxe::DeluxeContext::registerSensorValue()
	+///
	+///@{
	+
	+/// Template declaration.
	+///
	+/// \tparam T type to obtain matching sensor type for
	+///
	+/// Obtain a sensor type for a type \p T by: \code
	+/// typename UnwrapSensorType<T>::Type
	+/// \endcode
	+template <typename T> struct UnwrapSensorType;
	+
	+/// Implementation for the general case.
	+template <typename T> struct UnwrapSensorType {
	+ /// The type to use is the \p T itself.
	+ using Type = T;
	+};

	+/// Template specialization for \c std::tuple.
	template <typename... Ts> struct UnwrapSensorType<std::tuple<Ts...>> {
	+ /// The type to use is the type of the first element of the tuple
	using Type = typename std::tuple_element<0, std::tuple<Ts...>>::type;
	};

	+///@}
	+
	+/// Convenience template alias to use \c UnwrapSensorType easily.
	+template <typename T>
	+using sensor_t = typename UnwrapSensorType<T>::Type;
	+
	} // End namespace

	template <typename Iterator, typename T>
	DeluxeContext::ErrorCode
	DeluxeContext::registerSensorValues(AgentHandle Sensor, Iterator &&Start,
	const Iterator &End, T Default) noexcept {
	// Get the type of values provided by \p Iterator.
	STATIC_ASSERT((std::is_same<T, typename Iterator::value_type>::value),
	"type mismatch");
	constexpr bool isBuiltin = TypeListContains<BuiltinTypes, T>::Value;
	if constexpr (!isBuiltin) {
	// T must be a std::tuple.
	STATIC_ASSERT(std::tuple_size<T>::value == 1, "Wrong tuple type");
	STATIC_ASSERT(
	(TypeListContains<BuiltinTypes,
	typename std::tuple_element<0, T>::type>::Value),
	"Wrong element type in tuple");
	}
	- using TT = typename UnwrapSensorType<T>::Type;
	+ using TT = sensor_t<T>;

	// Make sure preconditions are met.
	if (!System->isDeluxeSensor(Sensor)) {
	DCRETERROR(ErrorCode::NotSensor);
	}
	auto S = System->getDeluxeSensor(Sensor);
	ASSERT(S); // Sanity check.
	if (S->OutputType != TypeNumberOf<TT>::Value) {
	DCRETERROR(ErrorCode::TypeMismatch);
	} else if (S->simulationDataSourceIsSet()) {
	DCRETERROR(ErrorCode::AlreadyHasValueStream);
	}

	// Register input stream.
	// \note Need to capture parameters by value so having local copies.
	S->registerSimulationDataSource(
	DeluxeSensor::D<TT>([=](void) mutable noexcept {
	if (Start != End) {
	TT Value;
	if constexpr (isBuiltin) {
	Value = *Start;
	} else {
	Value = std::get<0>(*Start);
	}
	++Start;
	LOG_TRACE_STREAM << "Reading next value for sensor '" << S->FullName
	<< "': " << Value << '\n';
	return Value;
	} else {
	TT Value;
	if constexpr (isBuiltin) {
	Value = Default;
	} else {
	Value = std::get<0>(Default);
	}
	LOG_TRACE_STREAM << "Providing default value for sensor '"
	<< S->FullName << "': " << Value << '\n';
	return Value;
	}
	}));
	return ErrorCode::NoError;
	}

	} // End namespace deluxe
	} // End namespace rosa

	// Undef local macro if not used in the corresponding implementation.
	#ifndef ROSA_LIB_DELUXE_DELUXECONTEXT_CPP
	#undef DCRETERROR
	#endif

	#endif // ROSA_DELUXE_DELUXECONTEXT_HPP
	diff --git a/include/rosa/support/csv/CSVReader.hpp b/include/rosa/support/csv/CSVReader.hpp
	index 45c6e20..6c707ba 100755
	--- a/include/rosa/support/csv/CSVReader.hpp
	+++ b/include/rosa/support/csv/CSVReader.hpp
	@@ -1,307 +1,314 @@
	//===-- rosa/support/csv/CSVReader.hpp --------------------------- C++ --===//
	//
	// The RoSA Framework
	//
	//===----------------------------------------------------------------------===//
	///
	/// \file rosa/support/csv/CSVReader.hpp
	///
	/// \authors David Juhasz (david.juhasz@tuwien.ac.at), Edwin Willegger (edwin.willegger@tuwien.ac.at)
	///
	/// \date 2017-2019
	///
	/// \brief Facitilities to read CSV files.
	///
	/// \note The implementation is based on the solution at
	/// https://stackoverflow.com/a/1120224
	///
	//===----------------------------------------------------------------------===//

	#ifndef ROSA_SUPPORT_CSV_CSVREADER_HPP
	#define ROSA_SUPPORT_CSV_CSVREADER_HPP

	#include "rosa/support/debug.hpp"
	#include "rosa/support/sequence.hpp"

	#include <istream>
	+#include <type_traits>
	#include <sstream>
	-#include <vector>
	-#include <map>
	-#include <algorithm>
	-#include <set>

	namespace rosa {
	namespace csv {

	/// Indicating it the CSV file contains any header or not
	enum class HeaderInformation {
	HasHeader,
	HasNoHeader
	};

	/// Anonymous namespace providing implementation details for
	/// \c rosa::csv::CSVIterator, consider it private.
	namespace {

	+///\defgroup ValueParser Helper template struct to parse a value
	+///
	+///@{
	+
	/// Provides facility for parsing one value from a string.
	///
	/// \tparam T type of value to parse
	/// \tparam IsSignedInt if \p T is a signed integral type, always use default
	/// \tparam IsUnsignedInt if \p T is an unsigned integral type, always use
	/// default
	/// \tparam IsFloat if \p T is a floating-point type, always use default
	/// \tparam IsString if \p T is \c std::string, always use default
	///
	/// \note Specializations of this struct are provided for arithmentic types
	/// and \c std::string.
	template <typename T,
	bool IsSignedInt =
	(std::is_integral<T>::value && std::is_signed<T>::value),
	bool IsUnsignedInt =
	(std::is_integral<T>::value && std::is_unsigned<T>::value),
	bool IsFloat = std::is_floating_point<T>::value,
	bool IsString = std::is_same<T, std::string>::value>
	struct ValueParser {

	- ///
	+ /// Parses one value from \p Cell
	///
	/// \param Cell the \c std::string to parse
	///
	/// \return the parsed value
	///
	/// \note The function silently fails if cannot parse \p Cell for type \p T.
	static T parse(const std::string &Cell) noexcept;
	};

	+/// Template specialization for signed integral types.
	template <typename T>
	struct ValueParser<T, true, false, false, false> {
	STATIC_ASSERT((std::is_integral<T>::value && std::is_signed<T>::value),
	"wrong type"); // Sanity check.
	static T parse(const std::string &Cell) noexcept {
	return static_cast<T>(std::stoll(Cell));
	}
	};

	+/// Template specialization for unsigned integral types.
	template <typename T>
	struct ValueParser<T, false, true, false, false> {
	STATIC_ASSERT((std::is_integral<T>::value && std::is_unsigned<T>::value),
	"wrong type"); // Sanity check.
	static T parse(const std::string &Cell) noexcept {
	return static_cast<T>(std::stoull(Cell));
	}
	};

	+/// Template specialization for floating-point types.
	template <typename T>
	struct ValueParser<T, false, false, true, false> {
	STATIC_ASSERT((std::is_floating_point<T>::value),
	"wrong type"); // Sanity check.
	static T parse(const std::string &Cell) noexcept {
	return static_cast<T>(std::stold(Cell));
	}
	};

	+/// Template specialization for \c std::string.
	template <typename T>
	struct ValueParser<T, false, false, false, true> {
	STATIC_ASSERT((std::is_same<T, std::string>::value),
	"wrong type"); // Sanity check.
	static T parse(const std::string &Cell) noexcept { return Cell; }
	};

	+///@}
	+
	/// Parses and stores entries from a row of CSV data.
	///
	/// \tparam Ts types of values to parse and store, i.e. entries in the row
	///
	/// \note The implementation relies on \c rosa::csv::CSVRowParser, which is
	/// implemented only for `arithmetic` types -- signed and unsigned integral
	/// and floating-point types -- and for \c std::string. Those are the valid
	/// values for \p Ts.
	template <typename... Ts> class CSVRow {
	private:
	/// Parses a given row of CSV data into \c CSVRow::Data.
	///
	/// \ CSVRow::Data is filled with values parsed from \p LineStream. Entries
	/// in the line are to be separated by commas, the character `,`.
	///
	/// \note Parsed values are silently converted to types \p Ts.
	///
	/// \note Parsing silently fails if values do not match \p Ts.
	///
	/// \tparam S0 indices to access tuple elements.
	///
	/// \param [in,out] LineStream the line to parse
	///
	/// \note The last argument is used only to get \p S0, the actual value of
	/// the parameter is ignored.
	template <size_t... S0>
	void parseRow(std::stringstream &LineStream, Seq<S0...>) {
	STATIC_ASSERT(sizeof...(Ts) == sizeof...(S0),
	"Not matching template arguments.");
	std::string Cell;
	// Get fields and parse the values into the proper element of the tuple
	// one by one in a fold expression.
	((std::getline(LineStream, Cell, ','),
	std::get<S0>(Data) = ValueParser<Ts>::parse(Cell)),
	...);
	}

	public:
	/// Parses and stores one row of CSV data.
	///
	/// The function reads one line from \p Str and parses it into
	/// \c rosa::csv::CSVRow::Data using \c rosa::csv::CSVRowParser.
	///
	/// \param [in,out] Str input stream of a CSV file
	void readNextRow(std::istream &Str) {
	std::string Line;
	std::getline(Str, Line);
	std::stringstream LineStream(Line);
	parseRow(LineStream, seq_t<sizeof...(Ts)>());
	}

	/// Gives a constant references for the \c std::tuple containing the values
	/// read by \p this object.
	///
	/// \return \c CSVRow::Data
	const std::tuple<Ts...> &tuple(void) const noexcept { return Data; }

	private:
	std::tuple<Ts...> Data; ///< Stores parsed entries
	};

	/// Reads a row of CSV data into \c rosa::csv::CSVRow.
	///
	/// The next line is read from \p Str by calling
	/// \c rosa::csv::CSVRow::readNextRow on \p Data.
	///
	/// \tparam Ts type of values to read from the row
	///
	/// \note The CSV file should contain a line with fields matching \p Ts...
	///
	/// \param [in,out] Str input stream of a CSV file
	/// \param [in,out] Data object to read the next line into
	///
	/// \return \p Str after reading one line from it
	template <typename... Ts>
	std::istream &operator>>(std::istream &Str, CSVRow<Ts...> &Data) {
	Data.readNextRow(Str);
	return Str;
	}

	} // End namespace

	/// Provides `InputIterator` features for iterating over a CSV file.
	///
	/// The iterator parses rows into `std::tuple` values and iterates over the
	/// file row by row.
	///
	/// \tparam Ts types of values stored in one row of the CSV file
	///
	/// \note The iterator expects each row to consists of fields matching \p Ts.
	///
	/// \note The implementation relies on \c rosa::csv::CSVRow, which in turn
	/// relies on \c rosa::csv::CSVRowParser, which is implemented only for
	/// `arithmetic` types -- signed and unsigned integral types and floating-point
	/// types -- and for \c std::string. Those are the valid values for \p Ts
	template <typename... Ts> class CSVIterator {
	public:
	/// \defgroup CSVIteratorTypedefs Typedefs of rosa::csv::CSVIterator
	///
	/// Standard `typedef`s for iterators.
	///
	///@{
	typedef std::input_iterator_tag
	iterator_category; ///< Category of the iterator.
	typedef std::tuple<Ts...> value_type; ///< Type of values iterated over.
	typedef std::size_t difference_type; ///< Type to identify distance.
	typedef std::tuple<Ts...> *pointer; ///< Pointer to the type iterated over.
	typedef std::tuple<Ts...>
	&reference; ///< Reference to the type iterated over.
	///@}

	/// Creates a new instance.
	///
	/// \param [in,out] S input stream to iterate over
	CSVIterator(std::istream &S) : Str(S.good() ? &S : nullptr), Row() {
	// \c rosa::csv::CSVIterator::Row is initialized empty so the first
	// incrementation here will read the first row.
	++(*this);
	}

	/// Creates an empty new instance.
	CSVIterator(void) noexcept : Str(nullptr) {}

	/// Pre-increment operator.
	///
	/// The implementation reads the next row. If the end of the input stream is
	/// reached, the operator becomes empty and has no further effect.
	///
	/// \return \p this object after incrementing it.
	CSVIterator &operator++() {
	if (Str) {
	if (!((*Str) >> Row)) {
	Str = nullptr;
	}
	}
	return *this;
	}

	/// Post-increment operator.
	///
	/// The implementation uses the pre-increment operator and returns a copy of
	/// the original state of \p this object.
	///
	/// \return \p this object before incrementing it.
	CSVIterator operator++(int) {
	CSVIterator Tmp(*this);
	++(*this);
	return Tmp;
	}

	/// Returns a constant reference to the current entry.
	///
	/// \note Should not dereference the iterator when it is empty.
	///
	/// \return constant reference to the current entry.
	const std::tuple<Ts...> &operator*(void)const noexcept { return Row.tuple(); }

	/// Returns a constant pointer to the current entry.
	///
	/// \note Should not dereference the iterator when it is empty.
	///
	/// \return constant pointer to the current entry.
	const std::tuple<Ts...> *operator->(void)const noexcept {
	return &Row.tuple();
	}

	/// Tells if \p this object is equal to another one.
	///
	/// Two \c rosa::csv::CSVReader instances are equal if and only if they are
	/// the same or both are empty.
	///
	/// \param RHS other object to compare to
	///
	/// \return whether \p this object is equal with \p RHS
	bool operator==(const CSVIterator &RHS) const noexcept {
	return ((this == &RHS) \|\| ((this->Str == nullptr) && (RHS.Str == nullptr)));
	}

	/// Tells if \p this object is not equal to another one.
	///
	/// \see rosa::csv::CSVReader::operator==
	///
	/// \param RHS other object to compare to
	///
	/// \return whether \p this object is not equal with \p RHS.
	bool operator!=(const CSVIterator &RHS) const noexcept {
	return !((*this) == RHS);
	}

	private:
	std::istream *Str; ///< Input stream of a CSV file to iterate over.
	CSVRow<Ts...> Row; ///< Content of the current row.
	};

	} // End namespace csv
	} // End namespace rosa

	#endif // ROSA_SUPPORT_CSV_CSVREADER_HPP

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