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Add missing docs about reverts in DoubleEndedQueue

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This commit is contained in:
Francisco Giordano
2022-02-16 16:42:33 -03:00
parent aace774961
commit 525a672862
1 changed files with 4 additions and 0 deletions
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4
contracts/utils/structs/DoubleEndedQueue.sol
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@ -102,6 +102,8 @@ library DoubleEndedQueue {
/**
* @dev Returns the item at the beginning of the queue.
*
* Reverts with `Empty` if the queue is empty.
*/
function front(Bytes32Deque storage deque) internal view returns (bytes32 value) {
if (empty(deque)) revert Empty();
@ -111,6 +113,8 @@ library DoubleEndedQueue {
/**
* @dev Returns the item at the end of the queue.
*
* Reverts with `Empty` if the queue is empty.
*/
function back(Bytes32Deque storage deque) internal view returns (bytes32 value) {
if (empty(deque)) revert Empty();