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Add warning about use of delete (#3412)

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This commit is contained in:
Lucas Alonso
2022-05-18 16:27:33 -03:00
committed by GitHub
parent ee4d8380d3
commit c2077f0034
2 changed files with 16 additions and 0 deletions
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8
contracts/utils/structs/EnumerableMap.sol
View File

@ -31,6 +31,14 @@ import "./EnumerableSet.sol";
* - `uint256 -> address` (`UintToAddressMap`) since v3.0.0
* - `address -> uint256` (`AddressToUintMap`) since v4.6.0
* - `bytes32 -> bytes32` (`Bytes32ToBytes32`) since v4.6.0
*
* [WARNING]
* ====
* Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
* See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
*
* In order to clean an EnumerableMap, you can either remove all elements one by one or create a fresh instance using an array of EnumerableMap.
* ====
*/
library EnumerableMap {
using EnumerableSet for EnumerableSet.Bytes32Set;

8
contracts/utils/structs/EnumerableSet.sol
View File

@ -26,6 +26,14 @@ pragma solidity ^0.8.0;
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*
* [WARNING]
* ====
* Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
* See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
*
* In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.
* ====
*/
library EnumerableSet {
// To implement this library for multiple types with as little code