#import problem

import.m

//----------------------------------------
// A.h
#import "B.h"

@interface A : NSObject
@property B *obj;
@end

// ---------------------------------------
// A.m
#import "A.h"
@implementation A
@end

//----------------------------------------
// B.h
#import "A.h"

@interface B : NSObject
@property A *obj;
@end

// ---------------------------------------
// B.m
#import "B.h"
@implementation B
@end

//----------------------------------------
// What the compiler do when compiling A.m


@interface B : NSObject
@property A *obj;
@end

@interface A : NSObject
@property B *obj;
@end

@implementation A
@end


//----------------------------------------
// What the compiler do when compiling B.m

@interface A : NSObject
@property B *obj;
@end

@interface B : NSObject
@property A *obj;
@end

@implementation B
@end