Svyatoslav Scherbina
60 lines
1.1 KiB
Objective-C
60 lines
1.1 KiB
Objective-C
#import <stdio.h>
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#import <Foundation/NSString.h>
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#import "smoke.h"
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@interface CPrinter : NSObject <Printer>
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-(void)print:(const char*)string;
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@end;
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@implementation CPrinter
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-(void)print:(const char*)string {
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printf("%s\n", string);
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fflush(stdout);
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}
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@end;
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@implementation Foo
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@synthesize name;
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-(instancetype)init {
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if (self = [super init]) {
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self.name = @"World";
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}
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return self;
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}
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-(void)helloWithPrinter:(id <Printer>)printer {
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NSString* message = [NSString stringWithFormat:@"Hello, %@!", self.name];
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[printer print:message.UTF8String];
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}
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-(void)dealloc {
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printf("Deallocated\n");
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}
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@end;
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@implementation Foo (FooExtensions)
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-(void)hello {
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CPrinter* printer = [[CPrinter alloc] init];
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[self helloWithPrinter:printer];
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}
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@end;
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void replacePairElements(id <MutablePair> pair, int first, int second) {
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[pair update:0 add:(first - pair.first)];
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[pair update:1 sub:(pair.second - second)];
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}
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int (^getSupplier(int x))(void) {
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return ^{
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return x;
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};
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}
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Class (^ _Nonnull getClassGetter(NSObject* obj))() {
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return ^{ return obj.class; };
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}
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