mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
29 lines
861 B
Solidity
29 lines
861 B
Solidity
contract C {
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bytes data;
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bytes otherData;
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function fromMemory() public returns (bytes1) {
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bytes memory t;
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uint[2] memory x;
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x[0] = type(uint).max;
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data = t;
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data.push();
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return data[0];
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}
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function fromCalldata(bytes calldata x) public returns (bytes1) {
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data = x;
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data.push();
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return data[0];
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}
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function fromStorage() public returns (bytes1) {
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// zero-length but dirty higher order bits
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assembly { sstore(otherData.slot, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00) }
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data = otherData;
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data.push();
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return data[0];
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}
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}
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// ----
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// fromMemory() -> 0x00
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// fromCalldata(bytes): 0x40, 0x60, 0x00, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff -> 0x00
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// fromStorage() -> 0x00
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