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P3978R3: constant_wrapper should unwrap on call and subscript #189605

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#191695
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P3978R3: constant_wrapper should unwrap on call and subscript#189605
#191695
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c++26libc++libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.wg21-paperIssues representing the implementation of a WG21 paper
@frederick-vs-ja

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@frederick-vs-ja
frederick-vs-ja
opened on Mar 31, 2026

Link: https://wg21.link/P3978R3

Feature-test macro (updated):

#define __cpp_lib_constant_wrapper                  202603L // freestanding, also in <utility>

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    c++26libc++libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.wg21-paperIssues representing the implementation of a WG21 paper

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