API improvements for EnumerableSet (#2151)

* Add revert reason to EnumerableSet.get. * Rename EnumerableSet values to keys * Rename get to at * Add changelog entry * Rename keys to values * Add leading underscore to struct members
2020-03-27 18:39:18 -03:00
parent 24c37c1f9e
commit 7415ebe8bc
5 changed files with 42 additions and 31 deletions
--- a/contracts/access/AccessControl.sol
+++ b/contracts/access/AccessControl.sol
@ -96,7 +96,7 @@ abstract contract AccessControl is Context {
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view returns (address) {
-        return _roles[role].members.get(index);
+        return _roles[role].members.at(index);
    }

    /**