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Groups > comp.lang.c++ > #68292
| Newsgroups | comp.lang.c++ |
|---|---|
| From | Melzzzzz <Melzzzzz@zzzzz.com> |
| Subject | Re: On stateful allocators and GCC |
| References | <05d0355f-1bce-49a1-b8c5-decc89cfe8e5@googlegroups.com> |
| Message-ID | <PdFdF.255997$TY7.82732@fx29.am4> (permalink) |
| Organization | usenet-news.net |
| Date | 2019-09-10 04:00 +0000 |
On 2019-09-10, Daniel <danielaparker@gmail.com> wrote: > Has anyone attempted to use stateful allocators with GCC basic_string? > > My attempts with versions up to 9 result in a compile time error > > /usr/include/c++/9/bits/basic_string.tcc:596:30: error: no matching function for call to ‘my_alloc::my_alloc()’ > 596 | if (__n == 0 && __a == _Alloc()) > > My example allocator my_alloc doesn't have a default constructor, which I don't think you would ever want on a stateful allocator. So why would GCC > want to compare the passed allocator __a with the default constructed > allocator _Alloc()? Don't know about allocator requirements, but if default constructor is not one of them it is a bug in gcc... > > I have no issues with vs or clang. > > Thanks, > Daniel > > > -- press any key to continue or any other to quit... U ničemu ja ne uživam kao u svom statusu INVALIDA -- Zli Zec Na divljem zapadu i nije bilo tako puno nasilja, upravo zato jer su svi bili naoruzani. -- Mladen Gogala
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On stateful allocators and GCC Daniel <danielaparker@gmail.com> - 2019-09-09 20:54 -0700
Re: On stateful allocators and GCC Melzzzzz <Melzzzzz@zzzzz.com> - 2019-09-10 04:00 +0000
Re: On stateful allocators and GCC James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-09-10 08:56 -0400
Re: On stateful allocators and GCC Öö Tiib <ootiib@hot.ee> - 2019-09-10 00:25 -0700
Re: On stateful allocators and GCC Öö Tiib <ootiib@hot.ee> - 2019-09-10 01:04 -0700
Re: On stateful allocators and GCC Daniel <danielaparker@gmail.com> - 2019-09-10 04:51 -0700
Re: On stateful allocators and GCC Daniel <danielaparker@gmail.com> - 2019-09-11 04:39 -0700
Re: On stateful allocators and GCC Juha Nieminen <nospam@thanks.invalid> - 2019-09-11 09:04 +0000
Re: On stateful allocators and GCC Daniel <danielaparker@gmail.com> - 2019-09-11 04:32 -0700
Re: On stateful allocators and GCC Manfred <noname@add.invalid> - 2019-09-11 15:02 +0200
Re: On stateful allocators and GCC Daniel <danielaparker@gmail.com> - 2019-09-11 06:33 -0700
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