get debug information for Deprecation warning

test123 test123 at gmail.com
Wed Jun 22 07:56:41 UTC 2022


When I get Deprecation warning from template, I can not find the 
root cause of the problem.

```sh
  Deprecation: argument `_param_1` for format specification `"%d"` 
must be `int`, not `ulong`
```


Is there a options to turn the  Deprecation  warning into assert 
error, so I can know the template caller chain ?


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