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			36 lines
		
	
	
		
			967 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			967 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C {
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| 	function index(uint256 len) public returns (bool)
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| 	{
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| 		uint[] memory array = new uint[](len);
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| 
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| 		for (uint256 i = 0; i < len; i++)
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| 			array[i] = i + 1;
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| 
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| 		for (uint256 i = 0; i < len; i++)
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| 			require(array[i] == i + 1, "Unexpected value in array!");
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| 
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| 		return array.length == len;
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| 	}
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| 	function accessIndex(uint256 len, int256 idx) public returns (uint256)
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| 	{
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| 		uint[] memory array = new uint[](len);
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| 
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| 		for (uint256 i = 0; i < len; i++)
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| 			array[i] = i + 1;
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| 
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| 		return array[uint256(idx)];
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| 	}
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| }
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| // ====
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| // compileViaYul: also
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| // ----
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| // index(uint256): 0 -> true
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| // index(uint256): 10 -> true
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| // index(uint256): 20 -> true
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| // index(uint256): 0xFF -> true
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| // accessIndex(uint256,int256): 10, 1 -> 2
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| // accessIndex(uint256,int256): 10, 0 -> 1
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| // accessIndex(uint256,int256): 10, 11 -> FAILURE, hex"4e487b71", 0x32
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| // accessIndex(uint256,int256): 10, 10 -> FAILURE, hex"4e487b71", 0x32
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| // accessIndex(uint256,int256): 10, -1 -> FAILURE, hex"4e487b71", 0x32
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