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				https://github.com/ethereum/solidity
				synced 2023-10-03 13:03:40 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			38 lines
		
	
	
		
			1001 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1001 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
contract C {
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    event ev(uint[], uint);
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    bytes public s;
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    function h() external returns (bytes memory) {
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        uint[] memory x = new uint[](2);
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        emit ev(x, 0x21);
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        bytes memory m = new bytes(63);
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        s = m;
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        s.push();
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        return s;
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    }
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    function g() external returns (bytes memory) {
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        bytes memory m = new bytes(63);
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        assembly {
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            mstore8(add(m, add(32, 63)), 0x42)
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        }
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        s = m;
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        s.push();
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        return s;
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    }
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    function f(bytes calldata c) external returns (bytes memory) {
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        s = c;
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        s.push();
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        return s;
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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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// constructor() ->
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// gas irOptimized: 449704
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// gas legacy: 729908
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// gas legacyOptimized: 493347
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// h() -> 0x20, 0x40, 0x00, 0
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// ~ emit ev(uint256[],uint256): 0x40, 0x21, 0x02, 0x00, 0x00
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// g() -> 0x20, 0x40, 0, 0x00
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// f(bytes): 0x20, 33, 0, -1 -> 0x20, 0x22, 0, 0xff00000000000000000000000000000000000000000000000000000000000000
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