EnumerateRange.h File Reference

#include "Templates/UnrealTemplate.h"
#include <iterator>
#include <type_traits>

Go to the source code of this file.

Classes
struct	TEnumerateRef< ElementType, SizeType >
struct	TEnumerateRange< RangeType, SizeType >

Namespaces
namespace	UE
namespace	UE::Core
namespace	UE::Core::Private
	implementation

Typedefs
template<typename ElementType , typename SizeType = int32>
using	TConstEnumerateRef = TEnumerateRef< const ElementType, SizeType >

Functions
template<typename RangeType >
auto	EnumerateRange (RangeType &&Range) -> TEnumerateRange< RangeType, decltype(GetNum(Range))>
template<typename T , SIZE_T N>
TEnumerateRange< T(&)[N], int32 >	EnumerateRange (T(&Range)[N])

Typedef Documentation

TConstEnumerateRef

template<typename ElementType , typename SizeType = int32>

using TConstEnumerateRef = TEnumerateRef<const ElementType, SizeType>

Function Documentation

EnumerateRange() [1/2]

template<typename RangeType >

auto EnumerateRange

(

RangeType &&

Range

)

-> TEnumerateRange<RangeType, decltype(GetNum(Range))>

Allows iterating over a range while also keeping track of the current iteration index.

Usage:

for (TEnumerateRef<T> Elem : EnumerateRange(Container)) { Elem->MemberFunctionOfT(); FunctionTakingT(*Elem); int32 Index = Elem.GetIndex(); }

TEnumerateRef<const T> or TConstEnumerateRef<T> can be used for const iteration.

Iterating over larger containers like TArray64 will require an explicit SizeType parameter: TEnumerateRef<T, int64>

EnumerateRange() [2/2]

template<typename T , SIZE_T N>

TEnumerateRange< T(&)[N], int32 > EnumerateRange

(

T(&)

Range[N]

)