NVIDIA / NVIDIA/cccl

[FEA]: P2641R4 Checking if a union alternative is active

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C++26 libcu++
Dominant language
C++
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Description

This issue can be closed by implementing [P2641R4](https://wg21.link/P2641R4)

Contributor guide

Open the contributing guide

Research direction

Start by reading the linked P2641R4 proposal to understand the requested behavior and scope. Then identify the CCCL entry points affected and define completion as implementing the proposal's support in CCCL with coverage for the specified behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
hpc
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
30/100

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