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			31 lines
		
	
	
		
			566 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			566 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| ==== Source: A ====
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| pragma experimental ABIEncoderV2;
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| 
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| struct Data {
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|     bool flag;
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| }
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| 
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| contract A {
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|     function get() public view returns (Data memory) {}
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| }
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| ==== Source: B ====
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| import "A";
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| 
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| contract B {
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|     modifier validate() {
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|         A(0x00).get();
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|         _;
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|     }
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| }
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| ==== Source: C ====
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| import "B";
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| 
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| contract C is B {
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|     function foo()
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|         public
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|         validate()
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|     {}
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| }
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| // ----
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| // TypeError 2428: (B:60-73): The type of return parameter 1, struct Data, is only supported in ABIEncoderV2. Use "pragma experimental ABIEncoderV2;" to enable the feature.
 |