Concatenation. More...

#include <enumerator.h>

Inheritance diagram for Util::ConcatEnumerator< T >:

Public Member Functions
	ConcatEnumerator (Enumerator< Enumerator< T > * > *inputs)

	ConcatEnumerator (std::initializer_list< Enumerator< T > * > inputs)

	ConcatEnumerator (std::vector< Enumerator< T > * > &&inputs)

Enumerator< T > *	concat (Enumerator< T > *other) override
	Append all elements of other after all elements of this.

T	getCurrent () const override
	Get current element in the collection.

bool	moveNext () override

void	reset () override
	Move back to the beginning of the collection.

std::string	toString () const

Public Member Functions inherited from Util::Enumerator< T >
bool	any ()
	True if the enumerator has at least one element.

template<typename S >
Enumerator< S > *	as ()
	Cast to an enumerator of S objects.

EnumeratorHandle< T >	begin ()

uint64_t	count ()
	Enumerate all elements and return the count.

EnumeratorHandle< T >	end ()

template<typename Mapper >
Enumerator< std::invoke_result_t< Mapper, T > > *	map (Mapper map)
	Apply specified function to all elements of this enumerator.

T	next ()
	Next element; throws if there are no elements.

T	nextOrDefault ()
	Next element, or the default value if none exists.

T	single ()
	The only next element; throws if the enumerator does not have exactly 1 element.

T	singleOrDefault ()

const char *	stateName () const

std::vector< T >	toVector ()

template<typename Filter >
Enumerator< T > *	where (Filter filter)
	Return an enumerator returning all elements that pass the filter.

Additional Inherited Members
Public Types inherited from Util::Enumerator< T >
using	value_type = T

Static Public Member Functions inherited from Util::Enumerator< T >
static Enumerator< T > *	concatAll (Enumerator< Enumerator< T > * > *inputs)
	Concatenate all these collections into a single one.

template<typename Container >
static Enumerator< typename Container::value_type > *	createEnumerator (const Container &data)

template<typename Iter >
static Enumerator< typename Iter::value_type > *	createEnumerator (Iter begin, Iter end)

template<typename Iter >
static Enumerator< typename Iter::value_type > *	createEnumerator (iterator_range< Iter > range)

static Enumerator< T > *	emptyEnumerator ()

Protected Attributes inherited from Util::Enumerator< T >
EnumeratorState	state = EnumeratorState::NotStarted

Static Protected Attributes inherited from Util::Enumerator< T >
static std::vector< T >	emptyVector

Detailed Description

template<typename T>
class Util::ConcatEnumerator< T >

Concatenation.

Member Function Documentation

template<typename T >

Enumerator< T > * Util::ConcatEnumerator< T >::concat ( Enumerator< T > * other )

inlineoverridevirtual

Append all elements of other after all elements of this.

template<typename T >

T Util::ConcatEnumerator< T >::getCurrent ( ) const

inlineoverridevirtual

Get current element in the collection.

template<typename T >

bool Util::ConcatEnumerator< T >::moveNext ( )

inlineoverridevirtual

Move to next element in the collection; return false if the next element does not exist

template<typename T >

void Util::ConcatEnumerator< T >::reset ( )

inlineoverridevirtual

Move back to the beginning of the collection.