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TimSweeneyEpic's profile
Tim Sweeney
Tim Sweeney
Tim Sweeney
@TimSweeneyEpic

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Tim Sweeney

@TimSweeneyEpic

Epic Games founder & CEO

epicgames.com
Joined August 2013

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    1. John Carmack‏Verified account @ID_AA_Carmack 6 Sep 2018
      • Report Tweet
      • Report NetzDG Violation

      I know some people feel strongly that variable name shadowing should not generate a warning, but I just wasted a non-trivial amount of time as a result of: ovrTracking2 * tracking = &tracking[displaySequence % MAX_INFLIGHT];

      27 replies 23 retweets 210 likes
      Tim Sweeney‏ @TimSweeneyEpic 7 Sep 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @ID_AA_Carmack

      Shadowing should either be an error or not a warning, and same with all other questionable things. Compilers should adjudicate the language specification and not dispense fashion advice. Sane implementation of this requires some spec evolution of course.

      1:52 AM - 7 Sep 2018
      • 4 Retweets
      • 42 Likes
      • Petr Skocik Chris Steve 'nesis' Davey Dominic Lennon Jonas Bötel Sébastien Rombauts Kristian Koivisto-Kokko 🏡 Mark Papadakis Sebastian Aaltonen
      6 replies 4 retweets 42 likes
        1. New conversation
        2. Niklas Gray‏ @niklasfrykholm 7 Sep 2018
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          Replying to @TimSweeneyEpic @ID_AA_Carmack

          Advantage of warnings is that they can be introduced without rewriting spec which takes time (and might be politically impossible, for backwards compatibility). Running with "treat warnings as errors" is the only sane option.

          1 reply 0 retweets 9 likes
        3. Arseny Kapoulkine‏ @zeuxcg 7 Sep 2018
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          Replying to @niklasfrykholm @TimSweeneyEpic @ID_AA_Carmack

          While I don’t disagree with warnings-as-errors, each compiler has its own idea of what warnings are available and when they’re emitted, which makes warnings as errors hurt code portability, requiring more effort to get code to compile. Solved by switching to clang everywhere :)

          0 replies 0 retweets 3 likes
        4. End of conversation
        1. Lucas Meijer‏ @lucasmeijer 7 Sep 2018
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          Replying to @TimSweeneyEpic @ID_AA_Carmack

          We have pretty much made each warning either an error, or silenced. I see no other reasonable way for a team with many devs

          0 replies 0 retweets 2 likes
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        1. New conversation
        2. Andreas Kirsch‏ @BlackHC 7 Sep 2018
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          Replying to @TimSweeneyEpic @ID_AA_Carmack

          Error \o/ Fixing the spec is the right long-term solution, but that might be too idealistic? See Python and JavaScript. People use linters to fix these languages until they evolve, but that might never happen

          1 reply 0 retweets 0 likes
        3. Tony Cox‏ @tonycoxphoto 7 Sep 2018
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          Replying to @BlackHC @TimSweeneyEpic @ID_AA_Carmack

          You don’t want to churn the spec too frequently, though. I think there’s value in getting new warnings faster than you’d want the spec to rev.

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. New conversation
        2. Tony Cox‏ @tonycoxphoto 7 Sep 2018
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          Replying to @TimSweeneyEpic @ID_AA_Carmack

          Are you against warnings entirely? The useful thing about warnings is that compilers can add new ones faster than the language spec evolves. Some will fire in old code, and now you get to make the call what to do.

          1 reply 0 retweets 0 likes
        3. David Clyde‏ @DaytimeCoder 7 Sep 2018
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          Replying to @tonycoxphoto @TimSweeneyEpic @ID_AA_Carmack

          Does anyone actually upgrade compilers and not expect to have to change their code?

          0 replies 0 retweets 0 likes
        4. End of conversation

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