What is the purpose of the "_" in "0x100_0000"? AFAICT, it doesn't change anythi... | Hacker News

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metadat 7 months ago | parent | context | favorite | on: Can you get root with only a cigarette lighter?

What is the purpose of the "_" in "0x100_0000"? AFAICT, it doesn't change anything.

  >>> 0x100_0000
  16777216
  >>> 0x100_0001
  16777217
  >>> 0x1000001
  16777217
  >>> 0x100000_1
  16777217

grotorea 7 months ago | [–]

Compare for readability: 0x0100000100001000 vs 0x0100_0001_0000_1000

a57721 7 months ago | [–]

It visually separates digits in numeric literals.

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