explain how to use SafeERC20

2017-08-28 17:34:25 -03:00
parent c7636bdc4c
commit 7b463769a5
1 changed files with 2 additions and 0 deletions
--- a/contracts/token/SafeERC20.sol
+++ b/contracts/token/SafeERC20.sol
@ -6,6 +6,8 @@ import './ERC20.sol';
 /**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure.
+ * To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
+ * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
 library SafeERC20 {
  function safeTransfer(ERC20Basic token, address to, uint256 value) internal {