Re: header only C++ code or not?

From	"Bo Persson" <bop@gmb.dk>
Newsgroups	comp.lang.c++
Subject	Re: header only C++ code or not?
Date	2011-07-07 19:16 +0200
Message-ID	<97m7unFppkU1@mid.individual.net> (permalink)
References	<16efe2a8-09b1-4d1d-9550-f6330de89718@j15g2000yqf.googlegroups.com> <20110707142407.4e2f0d3c@arcadia>

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Thomas Boell wrote:
> On Wed, 6 Jul 2011 14:27:43 -0700 (PDT)
> kathy <yqin_99@yahoo.com> wrote:
>
>> I have question about write C++ code. I have seen some developer
>> use head only style (all class definition and implementation in .h
>> file), But others like to seperate the definition and
>> implementation in h / cpp file. Is this the style / favor only or
>> there are some benefits to use one vs the other?
>
> In addition to what others said, putting implementation in header
> files can give the compiler better chances for optimization and
> inlining. If the implementation is in a separate compilation unit,
> the compiler can't inline because it doesn't know the function body.

Recent versions of most C++ compilers can do that.


Bo Persson

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Thread

header only C++ code or not? kathy <yqin_99@yahoo.com> - 2011-07-06 14:27 -0700
  Re: header only C++ code or not? "Andrew Holme" <ah@nospam.com> - 2011-07-06 22:42 +0100
    Re: header only C++ code or not? "Bo Persson" <bop@gmb.dk> - 2011-07-07 19:17 +0200
  Re: header only C++ code or not? Sam <sam@email-scan.com> - 2011-07-06 17:23 -0500
  Re: header only C++ code or not? Noah Roberts <roberts.noah@gmail.com> - 2011-07-06 16:14 -0700
    Re: header only C++ code or not? "MikeP" <mp011011@some.org> - 2011-07-07 15:35 -0500
    Re: header only C++ code or not? "MikeP" <mp011011@some.org> - 2011-07-07 15:45 -0500
  Re: header only C++ code or not? "Paul" <pchristor@yahoo.co.uk> - 2011-07-07 01:24 +0100
  Re: header only C++ code or not? Thomas Boell <tboell@domain.invalid> - 2011-07-07 14:24 +0200
    Re: header only C++ code or not? "Balog Pal" <pasa@lib.hu> - 2011-07-07 14:57 +0200
      Re: header only C++ code or not? Garrett Hartshaw <ghartshaw@gmail.com> - 2011-07-07 11:40 -0400
        Re: header only C++ code or not? Thomas Boell <tboell@domain.invalid> - 2011-07-07 19:38 +0200
          Re: header only C++ code or not? Garrett Hartshaw <ghartshaw@gmail.com> - 2011-07-09 09:06 -0400
            Re: header only C++ code or not? Thomas Boell <tboell@domain.invalid> - 2011-07-09 16:23 +0200
    Re: header only C++ code or not? "Bo Persson" <bop@gmb.dk> - 2011-07-07 19:16 +0200

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