| Issue |
148139
|
| Summary |
P3641R0: Rename `std::observable` to `std::observable_checkpoint`, and add a feature-test macro
|
| Labels |
libc++,
c++26,
wg21 paper
|
| Assignees |
|
| Reporter |
frederick-vs-ja
|
**Link:** https://wg21.link/P3641R0
Feature-test macro:
```c++
#define __cpp_lib_observable_checkpoint 202506L // freestanding, also in <utility>
```
This should be probably simultaneously implemented with [P1494R5](https://wg21.link/P1494R5) (#127869).
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