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			16 lines
		
	
	
		
			452 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			452 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| pragma abicoder               v2;
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| 
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| contract test {
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|     struct S {
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|         T t;
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|     }
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|     struct T {
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|         mapping (uint => uint) k;
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|     }
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|     function f(S calldata b) external {
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|     }
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| }
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| // ----
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| // TypeError 4103: (155-167): Types containing (nested) mappings can only be parameters or return variables of internal or library functions.
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| // TypeError 4061: (155-167): Type struct test.S is only valid in storage because it contains a (nested) mapping.
 |