Mcro::Range::OutputToMap< Target > Class Template Reference

Output a range of tuples or range of ranges with at least 2 elements to an already existing TMap. More...

#include <Conversion.h>

Public Member Functions
	OutputToMap (Target &target)

Friends
template<CRangeMember From, CTupleConvertsToArgs< KeyType, ValueType > = TRangeElementType<From>>
Target &	operator| (From &&range, OutputToMap &&functor)

Detailed Description

template<CIsTemplate< TMap > Target>
class Mcro::Range::OutputToMap< Target >

Output a range of tuples or range of ranges with at least 2 elements to an already existing TMap.

This functor will iterate over the entire input range and copy its values to the existing TMap one-by-one with its Add function.

When working with range-of-ranges then ranges which doesn't have at least two elements will be silently ignored.

usage (from tuples):

using namespace ranges;
TArray<int32> MyKeyArray {1, 2, 3, 4, 5};
TArray<FString> MyValueArray {TEXT_"foo", TEXT_"bar"};
 
auto result = views::zip(MyKeyArray, views::cycle(MyValueArray))
    | RenderAsMap();
    
// -> TMap<int32, FString> {{1, "foo"}, {2, "bar"}, {3, "foo"}, {4, "bar"}, {5, "foo"}}

usage (from inner-ranges):

using namespace ranges;
auto result = views::ints(0, 9)
    | views::chunk(2)
    | RenderAsMap();
    
// -> TMap<int32, int32> {{0, 1}, {2, 3}, {4, 5}, {6, 7}}
// notice how 8 is discarded from the end, as that range didn't have 2 items 

Template Parameters

Target

A TMap. Its key-value types will be deduced from the target output map.

Definition at line 506 of file Conversion.h.

Constructor & Destructor Documentation

OutputToMap()

template<CIsTemplate< TMap > Target>

Mcro::Range::OutputToMap< Target >::OutputToMap ( Target & target )

inline

Definition at line 513 of file Conversion.h.

Friends And Related Symbol Documentation

operator|

template<CIsTemplate< TMap > Target>

template<CRangeMember From, CTupleConvertsToArgs< KeyType, ValueType > = TRangeElementType<From>>

Target & operator| ( From && range, OutputToMap< Target > && functor )

friend

Definition at line 519 of file Conversion.h.

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The documentation for this class was generated from the following file:

• Public/Mcro/Range/Conversion.h