Update SafeERC20.sol (#2246)

tweak intro dev comment to reflect more typical use case, wrapping an `IERC20` reference for a deposit contract using others' ERC-20 tokens. I might be mistaken ~ but typically SafeERC20 won't be used in conjunction with ERC20 for OZ token deployments?
This commit is contained in:
Ross Campbell
2020-05-26 12:39:54 -04:00
committed by GitHub
parent e2b97d6712
commit 424ab2a024

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@ -12,7 +12,7 @@ import "../../utils/Address.sol";
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {