Looking for std::map::erase_if

[Willem Jan Withagen]

On 20-3-2021 15:46, Alan Somers wrote:
> It looks like it's in there.  What code are you trying that doesn't work?
Hi Alan,

I thought so too, but all tries last 2 weeks did not result into 
anything that got it compiling...
But could be that I did not try hard enough, real work is pulling a lot atm.

Code is at:
https://github.com/dillaman/ceph/blob/138d71fb0635682510cadda8e4ad5aaab3f39e44/src/librbd/api/Trash.cc#L299

Thanx,
--WjW

>
> > grep erase_if  /usr/include/c++/v1/map
>   void erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred); 
>  // C++20
>   void erase_if(multimap<Key, T, Compare, Allocator>& c, Predicate 
> pred);  // C++20
> void erase_if(map<_Key, _Tp, _Compare, _Allocator>& __c, _Predicate 
> __pred)
> { __libcpp_erase_if_container(__c, __pred); }
> void erase_if(multimap<_Key, _Tp, _Compare, _Allocator>& __c, 
> _Predicate __pred)
> { __libcpp_erase_if_container(__c, __pred); }
>
> On Sat, Mar 20, 2021 at 8:39 AM Willem Jan Withagen via 
> freebsd-hackers <freebsd-hackers at freebsd.org 
> <mailto:freebsd-hackers at freebsd.org>> wrote:
>
>     Hi,
>
>     [ Trying this on FBSD 12.2 ]
>
>     In the Ceph code new code uses std::map::erase_if.
>     Which is in Linux imported from <experimental/map>
>
>     Anybody suggestions on libraries to get something matching??
>
>     Thanx,
>     --WjW
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