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			20 lines
		
	
	
		
			389 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			389 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
contract Test {
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    string s;
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    bytes b;
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    function f(string memory _s, uint256 n) public returns (bytes1) {
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        b = bytes(_s);
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        s = string(b);
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        return bytes(s)[n];
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    }
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    function l() public returns (uint256) {
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        return bytes(s).length;
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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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// f(string,uint256): 0x40, 0x02, 0x06, "abcdef" -> "c"
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// l() -> 0x06
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