14 lines
		
	
	
		
			299 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			299 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import {Animal} from './animal';
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| 
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| // make the class cat inherit from Animal
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| export class Cat extends Animal {
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|   // override make_sound
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|   public make_sound() {
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|     // optional: call the parent class function
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|     super.make_sound();
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| 
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|     // add additional functionality
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|     console.log('meow');
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|   }
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| }
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