(Lesson 12 - ERC20) Overflow - Solved #759
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Could someone elaborate how the following code actually checks for overflow? Thank you! |
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Answered by
PatrickAlphaC
Jul 6, 2022
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This is probably a little outdated code, but in earlier versions of solidity, if you made a number that was larger than the largest number, it would "wrap" back to 0. So this line makes sure we don't wrap back to 0. |
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PatrickAlphaC
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This is probably a little outdated code, but in earlier versions of solidity, if you made a number that was larger than the largest number, it would "wrap" back to 0.
So this line makes sure we don't wrap back to 0.