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What are the tradeoffs associated with the initialization syntax of the maximum value of an integer?


What are the tradeoffs associated with using the following syntax to define the maximum value possible of an integer:

uint256 max = type(uint256).max;

as opposed to:

uint256 max = 2**256 - 1;?


Solution

  • I don't think there's any significance difference, other than for readibility reasons. At the end of the day, max will represent the largest number that uint256 can be defined with and it doesn't matter to the EVM.

    Here is btw other ways to represent the max of uint256 if you're interested: https://forum.openzeppelin.com/t/using-the-maximum-integer-in-solidity/3000/7

    Cheers~