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Diffstat (limited to 'docs/frequently-asked-questions.rst')
| -rw-r--r-- | docs/frequently-asked-questions.rst | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/docs/frequently-asked-questions.rst b/docs/frequently-asked-questions.rst index 639eb83e..029e32eb 100644 --- a/docs/frequently-asked-questions.rst +++ b/docs/frequently-asked-questions.rst @@ -665,8 +665,7 @@ What does the following strange check do in the Custom Token contract? :: - if (balanceOf[_to] + _value < balanceOf[_to]) - throw; + require(balanceOf[_to] + _value >= balanceOf[_to]); Integers in Solidity (and most other machine-related programming languages) are restricted to a certain range. For ``uint256``, this is ``0`` up to ``2**256 - 1``. If the result of some operation on those numbers |