RosettaCodeData/Task/Send-an-unknown-method-call/Objective-C/send-an-unknown-method-call.m

23 lines
407 B
Objective-C

#import <Foundation/Foundation.h>
@interface Example : NSObject
- (NSNumber *)foo;
@end
@implementation Example
- (NSNumber *)foo {
return @42;
}
@end
int main (int argc, const char *argv[]) {
@autoreleasepool {
id example = [[Example alloc] init];
SEL selector = @selector(foo); // or = NSSelectorFromString(@"foo");
NSLog(@"%@", [example performSelector:selector]);
}
return 0;
}