mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
77 lines
3.1 KiB
Solidity
77 lines
3.1 KiB
Solidity
contract C {
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function conv(bytes25 a) public pure returns (bytes32) {
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// truncating and widening
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return ~bytes32(bytes16(~a));
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}
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function upcast(bytes25 a) public pure returns (bytes32) {
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// implicit widening is allowed
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return ~a;
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}
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function downcast(bytes25 a) public pure returns (bytes12) {
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// truncating cast must be explicit
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return bytes12(~a);
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}
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function r_b32() public pure returns (bytes32) {
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return ~bytes32(hex"ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00");
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}
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function r_b25() public pure returns (bytes25) {
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return ~bytes25(hex"ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff");
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}
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function r_b16() public pure returns (bytes16) {
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return ~bytes16(hex"ff00ff00ff00ff00ff00ff00ff00ff00");
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}
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function r_b8() public pure returns (bytes8) {
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return ~bytes8(hex"ff00ff00ff00ff00");
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}
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function r_b4() public pure returns (bytes4) {
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return ~bytes4(hex"ff00ff00");
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}
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function r_b1() public pure returns (bytes1) {
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return ~bytes1(hex"55");
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}
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function a_b32() public pure returns (bytes32) {
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bytes32 r = ~bytes32(hex"ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00");
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return r;
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}
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function a_b25() public pure returns (bytes25) {
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bytes25 r = ~bytes25(hex"ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff");
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return r;
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}
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function a_b16() public pure returns (bytes16) {
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bytes16 r = ~bytes16(hex"ff00ff00ff00ff00ff00ff00ff00ff00");
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return r;
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}
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function a_b8() public pure returns (bytes8) {
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bytes8 r = ~bytes8(hex"ff00ff00ff00ff00");
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return r;
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}
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function a_b4() public pure returns (bytes4) {
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bytes4 r = ~bytes4(hex"ff00ff00");
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return r;
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}
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function a_b1() public pure returns (bytes1) {
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bytes1 r = ~bytes1(hex"55");
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return r;
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}
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}
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// ----
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// conv(bytes25): left(0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff) -> 0xff00ff00ff00ff00ff00ff00ff00ff00ffffffffffffffffffffffffffffffff
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// upcast(bytes25): left(0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff) -> 0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff0000000000000000
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// downcast(bytes25): left(0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff) -> 0xff00ff00ff00ff00ff00ff0000000000000000000000000000000000000000
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// r_b32() -> 0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff
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// r_b25() -> 0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff0000000000000000
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// r_b16() -> 0xff00ff00ff00ff00ff00ff00ff00ff00000000000000000000000000000000
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// r_b8() -> 0xff00ff00ff00ff000000000000000000000000000000000000000000000000
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// r_b4() -> 0xff00ff00000000000000000000000000000000000000000000000000000000
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// r_b1() -> 0xaa00000000000000000000000000000000000000000000000000000000000000
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// a_b32() -> 0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff
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// a_b25() -> 0xff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff0000000000000000
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// a_b16() -> 0xff00ff00ff00ff00ff00ff00ff00ff00000000000000000000000000000000
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// a_b8() -> 0xff00ff00ff00ff000000000000000000000000000000000000000000000000
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// a_b4() -> 0xff00ff00000000000000000000000000000000000000000000000000000000
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// a_b1() -> 0xaa00000000000000000000000000000000000000000000000000000000000000
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