A library for C++20 that introduced std::ranges namespace, which consists of rangified algorithms from
Questions tagged [std-ranges]
379 questions
-1
votes
1 answer
C++20 Unable to Satisfy Constraint for ranges::remove_if()
I have the following class:
template
class Node {
private:
T item_;
public:
T Item() const {return item_;}
Node(T item) : item_(item) {}
Node& operator=(T item) { item_ = item; return *this;}
Node&…

Kok How Teh
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votes
2 answers
How to get type of a view?
I want put the definition of a view in a separate compilation unit, but to export the view I need it's type.
// .h
auto GetView(int index, int size);
// .cpp
auto GetView(int index, int size)
{
auto view = ranges::views::ints(-2, 3)
|…

Tom Huntington
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votes
1 answer
Access index of current element in range-for loop c++20
In a pre-c++20 question Access index in range-for loop (answer), it was mentioned that
2020 note: It would probably be more wise to use a lambda-based solution instead of macro trickery.
Could someone post the lambda-based solution for c++20? Are…

Tom Huntington
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-1
votes
1 answer
reference to 'end' is ambiguous when using std ranges
when I try to compile following code:
// This file is a "Hello, world!" in C++ language by GCC for wandbox.
#include
#include
#include
#include
#include
#include
template
struct…

user3520616
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