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				https://github.com/ethereum/solidity
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			61 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
pragma abicoder v2;
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contract C {
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    mapping (uint => uint8[][]) m;
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    uint8[][] s;
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    constructor() {
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        s = new uint8[][](2);
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        s[0] = new uint8[](2);
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        s[0][0] = 10;
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        s[0][1] = 11;
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        s[1] = new uint8[](3);
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        s[1][0] = 12;
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        s[1][1] = 13;
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        s[1][2] = 14;
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    }
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    function from_storage() public returns (uint8[][] memory) {
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        m[0] = new uint8[][](2);
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        m[0][0] = s[0];
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        m[0][1] = s[1];
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        return m[0];
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    }
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    function from_storage_ptr() public returns (uint8[][] memory) {
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        uint8[][] storage sPtr = s;
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        m[0] = new uint8[][](2);
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        m[0][0] = sPtr[0];
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        m[0][1] = sPtr[1];
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        return m[0];
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    }
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    function from_memory() public returns (uint8[][] memory) {
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        uint8[][] memory a = s;
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        m[0] = new uint8[][](2);
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        m[0][0] = a[0];
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        m[0][1] = a[1];
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        return m[0];
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    }
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    function from_calldata(uint8[][] calldata _a) public returns (uint8[][] memory) {
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        m[0] = new uint8[][](2);
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        m[0][0] = _a[0];
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        m[0][1] = _a[1];
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        return m[0];
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    }
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}
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// ----
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// from_storage() -> 0x20, 2, 0x40, 0xa0, 2, 10, 11, 3, 12, 13, 14
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// gas irOptimized: 150061
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// gas legacy: 150745
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// gas legacyOptimized: 148685
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// from_storage_ptr() -> 0x20, 2, 0x40, 0xa0, 2, 10, 11, 3, 12, 13, 14
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// from_memory() -> 0x20, 2, 0x40, 0xa0, 2, 10, 11, 3, 12, 13, 14
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// from_calldata(uint8[][]): 0x20, 2, 0x40, 0xa0, 2, 10, 11, 3, 12, 13, 14 -> 0x20, 2, 0x40, 0xa0, 2, 10, 11, 3, 12, 13, 14
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