| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
| Cc: | Petr Jelinek <petr(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, John Gorman <johngorman2(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PATCH: two slab-like memory allocators |
| Date: | 2016-11-27 20:47:40 |
| Message-ID: | 20161127204740.dr3swudwsbafjuof@alap3.anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
Hi,
> > +typedef struct SlabBlockData *SlabBlock; /* forward reference */
> > +typedef struct SlabChunkData *SlabChunk;
> >
> > Can we please not continue hiding pointers behind typedefs? It's a bad
> > pattern, and that it's fairly widely used isn't a good excuse to
> > introduce further usages of it.
> >
>
> Why is it a bad pattern?
It hides what is passed by reference, and what by value, and it makes it
a guessing game whether you need -> or . since you don't know whether
it's a pointer or the actual object. All to save a * in parameter and
variable declaration?...
Andres
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