iOS Development 74-xcode (7.3.1) uses instruments (7.3.1) to test the memory leak example (circular reference)

iOS Development 74-xcode (7.3.1) uses the instruments (7.3.1) test memory leak example (circular reference) to intentionally write a memory leak code, circular reference in the ARC environment.
Two objects are strong references and point to each other, resulting in a memory leak.

-(void) viewdidload
{
    Leakmodel * Leaka = [[Leakmodel alloc]init];
    Leaka.myname = @ "Leaka";
    
    Leakmodel * leakb = [[Leakmodel alloc]init];
    Leakb.myname = @ "LEAKB";
    
    Leaka.model = leakb;
    Leakb.model = Leaka;
}

1, open instruments

2. Start the test

Click on the Red button in the upper left corner, start the test, this time, the simulator will start the application, and then click on the simulator, instruments will record the leakage of each code, if there is a memory leak, the Red Cross in the above is, click the Red Fork, will enter the leaked code location, Double-click it to enter the code in the project

Code Download (Xcode7.3.1)
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