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			15 lines
		
	
	
		
			265 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			265 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract A
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| {
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| 	function foo() virtual internal {}
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| }
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| contract B
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| {
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| 	function foo() internal {}
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| }
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| contract C is A, B
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| {
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| 	function foo() internal override(A, B) {}
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| }
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| // ----
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| // TypeError: (65-91): Trying to override non-virtual function. Did you forget to add "virtual"?
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