March 2014 update

Task/Man-or-boy-test/Objective-C/man-or-boy-test-1.m

@@ -1,25 +1,25 @@
 #import <Foundation/Foundation.h>
 
-typedef NSInteger (^IntegerBlock)();
+typedef NSInteger (^IntegerBlock)(void);
 
 NSInteger A (NSInteger kParam, IntegerBlock x1, IntegerBlock x2, IntegerBlock x3, IntegerBlock x4, IntegerBlock x5) {
     __block NSInteger k = kParam;
-    __block IntegerBlock B; // due to a GCC bug, we have to initialize on a separate line
-    B = ^ {
-        return A(--k, B, x1, x2, x3, x4);
+    __block __weak IntegerBlock weak_B;
+    IntegerBlock B;
+    weak_B = B = ^ {
+        return A(--k, weak_B, x1, x2, x3, x4);
     };
     return k <= 0 ? x4() + x5() : B();
 }
 
 IntegerBlock K (NSInteger n) {
-    IntegerBlock result = ^{return n;};
-    return [[result copy] autorelease];
+    return ^{return n;};
 }
 
 int main (int argc, const char * argv[]) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    NSInteger result = A(10, K(1), K(-1), K(-1), K(1), K(0));
-    NSLog(@"%d\n", result);
-    [pool drain];
+    @autoreleasepool {
+        NSInteger result = A(10, K(1), K(-1), K(-1), K(1), K(0));
+        NSLog(@"%d\n", result);
+    }
     return 0;
 }

Task/Man-or-boy-test/Objective-C/man-or-boy-test-2.m

@@ -1,73 +1,24 @@
-@protocol IntegerFun <NSObject>
--(NSInteger)call;
-@end
+#import <Foundation/Foundation.h>
 
-NSInteger A (NSInteger kParam, id<IntegerFun> x1, id<IntegerFun> x2, id<IntegerFun> x3, id<IntegerFun> x4, id<IntegerFun> x5);
+typedef NSInteger (^IntegerBlock)(void);
 
-@interface B_Class : NSObject <IntegerFun> {
-  NSInteger *k;
-  id<IntegerFun> x1, x2, x3, x4;
-}
--(id)initWithK:(NSInteger *)k x1:(id<IntegerFun>)x1 x2:(id<IntegerFun>)x2 x3:(id<IntegerFun>)x3 x4:(id<IntegerFun>)x4;
-@end
-
-@implementation B_Class
--(id)initWithK:(NSInteger *)_k x1:(id<IntegerFun>)_x1 x2:(id<IntegerFun>)_x2 x3:(id<IntegerFun>)_x3 x4:(id<IntegerFun>)_x4 {
-  if ((self = [super init])) {
-    k = _k;
-    x1 = [_x1 retain];
-    x2 = [_x2 retain];
-    x3 = [_x3 retain];
-    x4 = [_x4 retain];
-  }
-  return self;
-}
--(void)dealloc {
-  [x1 release];
-  [x2 release];
-  [x3 release];
-  [x4 release];
-  [super dealloc];
-}
--(NSInteger)call {
-  return A(--*k, self, x1, x2, x3, x4);
-}
-@end
-
-NSInteger A (NSInteger k, id<IntegerFun> x1, id<IntegerFun> x2, id<IntegerFun> x3, id<IntegerFun> x4, id<IntegerFun> x5) {
-  id<IntegerFun> B = [[[B_Class alloc] initWithK:&k x1:x1 x2:x2 x3:x3 x4:x4] autorelease];
-  return k <= 0 ? [x4 call] + [x5 call] : [B call];
+NSInteger A (NSInteger kParam, IntegerBlock x1, IntegerBlock x2, IntegerBlock x3, IntegerBlock x4, IntegerBlock x5) {
+    __block NSInteger k = kParam;
+    __block IntegerBlock B;
+    B = ^ {
+        return A(--k, B, x1, x2, x3, x4);
+    };
+    return k <= 0 ? x4() + x5() : B();
 }
 
-@interface K : NSObject <IntegerFun> {
-  NSInteger n;
+IntegerBlock K (NSInteger n) {
+    return [[^{return n;} copy] autorelease];
 }
--(id)initWithN:(NSInteger)n;
-@end
 
-@implementation K
--(id)initWithN:(NSInteger)_n {
-  if ((self = [super init])) {
-    n = _n;
-  }
-  return self;
-}
--(NSInteger)call {
-  return n;
-}
-@end
-
-int main(int argc, const char *argv[]) {
-  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-  NSInteger result = A(10,
-                       [[[K alloc] initWithN:1] autorelease],
-                       [[[K alloc] initWithN:-1] autorelease],
-                       [[[K alloc] initWithN:-1] autorelease],
-                       [[[K alloc] initWithN:1] autorelease],
-                       [[[K alloc] initWithN:0] autorelease]);
-  NSLog(@"%ld\n", result);
-
-  [pool release];
-  return 0;
+int main (int argc, const char * argv[]) {
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    NSInteger result = A(10, K(1), K(-1), K(-1), K(1), K(0));
+    NSLog(@"%d\n", result);
+    [pool drain];
+    return 0;
 }

Task/Man-or-boy-test/Objective-C/man-or-boy-test-3.m

@@ -0,0 +1,73 @@
+@protocol IntegerFun <NSObject>
+-(NSInteger)call;
+@end
+
+NSInteger A (NSInteger kParam, id<IntegerFun> x1, id<IntegerFun> x2, id<IntegerFun> x3, id<IntegerFun> x4, id<IntegerFun> x5);
+
+@interface B_Class : NSObject <IntegerFun> {
+  NSInteger *k;
+  id<IntegerFun> x1, x2, x3, x4;
+}
+-(id)initWithK:(NSInteger *)k x1:(id<IntegerFun>)x1 x2:(id<IntegerFun>)x2 x3:(id<IntegerFun>)x3 x4:(id<IntegerFun>)x4;
+@end
+
+@implementation B_Class
+-(id)initWithK:(NSInteger *)_k x1:(id<IntegerFun>)_x1 x2:(id<IntegerFun>)_x2 x3:(id<IntegerFun>)_x3 x4:(id<IntegerFun>)_x4 {
+  if ((self = [super init])) {
+    k = _k;
+    x1 = [_x1 retain];
+    x2 = [_x2 retain];
+    x3 = [_x3 retain];
+    x4 = [_x4 retain];
+  }
+  return self;
+}
+-(void)dealloc {
+  [x1 release];
+  [x2 release];
+  [x3 release];
+  [x4 release];
+  [super dealloc];
+}
+-(NSInteger)call {
+  return A(--*k, self, x1, x2, x3, x4);
+}
+@end
+
+NSInteger A (NSInteger k, id<IntegerFun> x1, id<IntegerFun> x2, id<IntegerFun> x3, id<IntegerFun> x4, id<IntegerFun> x5) {
+  id<IntegerFun> B = [[[B_Class alloc] initWithK:&k x1:x1 x2:x2 x3:x3 x4:x4] autorelease];
+  return k <= 0 ? [x4 call] + [x5 call] : [B call];
+}
+
+@interface K : NSObject <IntegerFun> {
+  NSInteger n;
+}
+-(id)initWithN:(NSInteger)n;
+@end
+
+@implementation K
+-(id)initWithN:(NSInteger)_n {
+  if ((self = [super init])) {
+    n = _n;
+  }
+  return self;
+}
+-(NSInteger)call {
+  return n;
+}
+@end
+
+int main(int argc, const char *argv[]) {
+  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+  NSInteger result = A(10,
+                       [[[K alloc] initWithN:1] autorelease],
+                       [[[K alloc] initWithN:-1] autorelease],
+                       [[[K alloc] initWithN:-1] autorelease],
+                       [[[K alloc] initWithN:1] autorelease],
+                       [[[K alloc] initWithN:0] autorelease]);
+  NSLog(@"%ld\n", result);
+
+  [pool release];
+  return 0;
+}