Le 10 juil. 08 à 17:52, Graham Cox a écrit :
Actually it doesn't emit a warning.
If you recall my problem a few weeks ago with:
- (float) position;
vs.
- (int) position;
the compiler sailed blithely on without a mention, generating code
that smashed the stack to pieces.
This is different from the situation that does emit a warning, where
the method is completely unknown and is assumed to return type 'id'.
I do compile with many additional warnings, but I haven't found one
that picks up this problem.
Graham
The compiler will not try to search any -position method in headers
you do not include in your file.
If you include more than one interface with different declaration it
will tell you like this:
warning: multiple methods named '-position' found
/System/Library/Frameworks/Foundation.framework/Headers/
NSScriptObjectSpecifiers.h:191: warning: using '-
(NSInsertionPosition)position'
AYPlayer.m:21: warning: also found '-(int)position'
AYPlayer.m:16: warning: also found '-(float)position'
/System/Library/Frameworks/QuartzCore.framework/Headers/CALayer.h:139:
warning: also found '-(CGPoint)position'
and it your try to do
CGPoint pos = [(id)foo position] it will even trigger an error.
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