P4C
The P4 Compiler
Loading...
Searching...
No Matches
P4::Util::SingleEnumerator< T > Class Template Reference
Inheritance diagram for P4::Util::SingleEnumerator< T >:
[legend]

Public Member Functions

 SingleEnumerator (T v)
 
T getCurrent () const
 Get current element in the collection.
 
bool moveNext ()
 
- Public Member Functions inherited from P4::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 ()
 
virtual Enumerator< T > * concat (Enumerator< T > *other)
 Append all elements of other after all elements of this.
 
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.
 
virtual void reset ()
 Move back to the beginning of the collection.
 
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 P4::Util::Enumerator< T >
using value_type = T
 
- Static Public Member Functions inherited from P4::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 P4::Util::Enumerator< T >
EnumeratorState state = EnumeratorState::NotStarted
 
- Static Protected Attributes inherited from P4::Util::Enumerator< T >
static std::vector< T > emptyVector
 

Member Function Documentation

◆ getCurrent()

template<typename T>
T P4::Util::SingleEnumerator< T >::getCurrent ( ) const
inlinevirtual

Get current element in the collection.

Implements P4::Util::Enumerator< T >.

◆ moveNext()

template<typename T>
bool P4::Util::SingleEnumerator< T >::moveNext ( )
inlinevirtual

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

Implements P4::Util::Enumerator< T >.