On the virtues of the trailing comma - The Old New Thing
devblogs.microsoft.com
A more uniform appearance comes with its own benefits beyond aesthetics.
  • IsoprenoidEnglish
    18·
    10 months ago

    TLDR:

    Trailing commas for lists allows easier:

    • merging of code
    • rearranging of items in the list.
  • lolcatnip@reddthat.comEnglish
    7·
    10 months ago

    Commas aren’t the only thing that need similar treatment. For example, Typescript allows a leading | for union types, and for union types split across multiple lines, the result is so much easier to format compared to the equivalent code in, say, Haskell.