Improve docs for ERC721URIStorage._burn (#3324)

2022-04-07 18:28:18 -05:00
parent d4d8d2ed97
commit 731e199038
1 changed files with 3 additions and 8 deletions
--- a/contracts/token/ERC721/extensions/ERC721URIStorage.sol
+++ b/contracts/token/ERC721/extensions/ERC721URIStorage.sol
@ -48,14 +48,9 @@ abstract contract ERC721URIStorage is ERC721 {
    }

    /**
-     * @dev Destroys `tokenId`.
-     * The approval is cleared when the token is burned.
-     *
-     * Requirements:
-     *
-     * - `tokenId` must exist.
-     *
-     * Emits a {Transfer} event.
+     * @dev See {ERC721-_burn}. This override additionally checks to see if a
+     * token-specific URI was set for the token, and if so, it deletes the token URI from
+     * the storage mapping.
     */
    function _burn(uint256 tokenId) internal virtual override {
        super._burn(tokenId);