Re: very simple NSRange q
Re: very simple NSRange q
- Subject: Re: very simple NSRange q
- From: Marc Weil <email@hidden>
- Date: Mon, 11 Aug 2003 10:13:57 -0400
The reason the first one works is because you are initializing the variable
with the declaration. Basically, you are using an old C trick to do it.
You should be using NSMakeRange() for both cases, since that will guarantee
you that the range is created properly. There are a whole bunch of
range-manipulation functions that are at your disposal, so you can do very
interesting things with them.
http://developer.apple.com/documentation/Cocoa/Reference/Foundation/ObjC_cla
ssic/Functions/FoundationFunctions.html#//apple_ref/doc/uid/20000055/BCIDFCG
F
- Marc Weil
On 8/11/03 9:55 AM, "Ben Dougall" <email@hidden> wrote:
>
hiyer,
>
>
i used NSRange like this with no problems just recently:
>
>
NSRange range = {startofinfo, endofinfo-startofinfo+1};
>
NSData *tempdata;
>
tempdata = [pdfData subdataWithRange:range];
>
>
>
but now, in a separate situation, i'm trying to use them in a slightly
>
different way but it's not happening.
>
>
in the object's @interface variable section:
>
>
NSRange data;
>
>
and in the object's init method:
>
>
data = {start, length};
>
>
and i get lot's of errors:
>
TempStreamObj.m:20: illegal expression, found `{'
>
TempStreamObj.m:20: illegal statement, missing `;' after `length'
>
TempStreamObj.m:22: illegal external declaration, found `return'
>
TempStreamObj.m:20: parse error before '{' token
>
>
how should initiate this range? also why is the first one working and
>
the second one not?
>
>
thanks, ben.
>
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