Article View: borland.public.csharpbuilder.language.csharp
Article #159Re: True Constants in C# ?
From: Joanna Carter [TeamB]
Date: Wed, 30 Aug 2006 09:08
Date: Wed, 30 Aug 2006 09:08
32 lines
1870 bytes
1870 bytes
"Marc Rohloff [TeamB]" <"on request"> a οΏ½crit dans le message de news:
1j04hi3wixlhw.dlg@dlg.marcrohloff.com...
| class MyClass
| {
| public int x;
| public static readonly int c2 = 5;
| }
|
| public static void Main()
| {
| Console.WriteLine("c1 = {0}, c2 = {1}", MyClass.c1, MyClass.c2
| Console.WriteLine("c1*4 = {0}, c2*4 = {1}", MyClass.c1*4, MyClass.c2*4
| );
|
| In the second WriteLine the compiler will pre calculate the value 20,
| for c2 it will perform the calculation on each execution.
|
| A couple of points 'const' fields are automatically static and
| read-only.
Yes, I had forgotten that they were static, even if not declared as such.
But declaring public fields, not marked as const, should still be a real
no-no. Bob's suggestion of read-only properties is a valid solution, for
those who don't mind typing :-)
Joanna
--
Joanna Carter [TeamB]
Consultant Software Engineer
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X-Google-Thread: 1efe35,1326b8d2515daa80 X-Google-Attributes: gid1efe35,public X-Google-Language: ENGLISH,ASCII From: "Joanna Carter [TeamB]" <joanna@not.for.spam> Newsgroups: borland.public.csharpbuilder.language.csharp References: <44f3aab7$1@newsgroups.borland.com> <1j04hi3wixlhw.dlg@dlg.marcrohloff.com> Subject: Re: True Constants in C# ? Date: Wed, 30 Aug 2006 10:08:48 +0100 Lines: 34 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 NNTP-Posting-Host: 83.70.200.69 Message-ID: <44f555aa@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1156928938 83.70.200.69 (30 Aug 2006 02:08:58 -0700) X-Authenticated-User: jcarter Path: arc1-ca.pugleaf.net!g2news2.google.com!news4.google.com!newshub.sdsu.edu!logbridge.uoregon.edu!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail