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https://github.com/ethereum/solidity
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03f58c6b52
Explicit conversions between literals and enums are only allowed if the literal can represent a value in the enum.
33 lines
843 B
Solidity
33 lines
843 B
Solidity
contract test {
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enum ActionChoices {GoLeft, GoRight, GoStraight}
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constructor() {}
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function getChoiceExp(uint256 x) public returns (uint256 d) {
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choice = ActionChoices(x);
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d = uint256(choice);
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}
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function getChoiceFromSigned(int256 x) public returns (uint256 d) {
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choice = ActionChoices(x);
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d = uint256(choice);
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}
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function getChoiceFromMax() public returns (uint256 d) {
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choice = ActionChoices(type(uint256).max);
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d = uint256(choice);
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}
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ActionChoices choice;
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}
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// ====
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// EVMVersion: <byzantium
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// compileViaYul: also
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// ----
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// getChoiceExp(uint256): 3 -> FAILURE # These should throw #
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// getChoiceFromSigned(int256): -1 -> FAILURE
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// getChoiceFromMax() -> FAILURE
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// getChoiceExp(uint256): 2 -> 2 # These should work #
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// getChoiceExp(uint256): 0 -> 0
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