Re: Variadic arguments to methods in Objective-C - How ?
Re: Variadic arguments to methods in Objective-C - How ?
- Subject: Re: Variadic arguments to methods in Objective-C - How ?
- From: Tommy Nordgren <email@hidden>
- Date: Sat, 8 Jan 2005 21:04:30 +0100
Jan 8, 2005 kl. 8:38 PM skrev Vincent Coetzee:
Dear List,
How does one create methods in Objective-C that use a variable number
of arguments. I am familiar with the normal C mechanism, but does this
work in Objective-C considering the hidden arguments to methods (i.e.
_self and _cmd) ? So can I use the normal C mechanism and if not how
is it done ? Some sample code would be appreciated.
As far as I know, the objective C syntax don't allow variadic methods.
However,
by giving the source files the suffix .mm, you can use C++ as well to a
certain extent, although it is tricky, and according to the
documentation not possible to embed c++ objects with virtual methods
directly in Objective C classes. You can hovever use pointers to refer
to objective c classes from c++ code and vice versa.
Also, it IS possible to embed most C++ classes in Objective C,
althought it can be tricky because there is no built in language
support for this.
Hope this helps.
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