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Hellfire103 to Programmer Humor@lemmy.mlEnglish • 1 month ago

Does this exist anywhere outside of C++?

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  • cross-posted to:
  • programmer_humor@programming.dev
175

Does this exist anywhere outside of C++?

lemmy.ml

Hellfire103 to Programmer Humor@lemmy.mlEnglish • 1 month ago
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62
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  • cross-posted to:
  • programmer_humor@programming.dev
  • @unlawfulbooger@lemmy.blahaj.zone
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    17•1 month ago

    What the heck is endl???

    • @vapeloki@lemmy.world
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      40•1 month ago

      std::endl is used in output streams in C++ to end the line, using the os specific line termination sequence, and flush the buffer.

      The later one is a performance issue in many cases, why the use of "\n" is considered preferred

      • xigoi
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        3•1 month ago

        Don’t most terminals flush the buffer on newline anyway?

        • @ClemaX@lemm.ee
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          9•1 month ago

          It is the stream itself that is buffered, so the terminal does not handle the contents until the stream is flushed.

        • @vapeloki@lemmy.world
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          2•1 month ago

          Maybe, but there is the internal buffer. Also, most I/O happens in files not consoles

    • Hellfire103OP
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      10•
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      1 month ago

      Instead of this:

      std::cout << "Hello world.\n";
      

      You can do this:

      std::cout << "Hello world." << endl;
      
      • @Daedskin@lemm.ee
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        6•1 month ago

        The fact that you used the namespace for cout but not for endl inordinately bothers me

      • @ReversalHatchery@beehaw.org
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        1•1 month ago

        something has replaced your lessthan signs with their HTML counterparts. such a silly thing to do in a code block

        • @fubbernuckin@lemmy.dbzer0.com
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          3•1 month ago

          I think that’s client side. Doesn’t happen for me.

          • @Cyberfishofant2@lemm.ee
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            1•1 month ago

            same here. AP isn’t standardized enough, apparently

            • @ReversalHatchery@beehaw.org
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              1•
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              1 month ago

              nah its a lemmy app on android that didn’t get an update in ages. probably just uses a faulty markdown renderer

    • gon [he]
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      7•1 month ago

      https://cplusplus.com/reference/ostream/endl/

      • @unlawfulbooger@lemmy.blahaj.zone
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        12•1 month ago

        Boy am I glad I don’t do C++ anymore. That string handling with the overloaded bitshift operator was wild.

        • @vext01@lemmy.sdf.org
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          1•1 month ago

          Ah, so you’re a println! kinda guy?

          • @unlawfulbooger@lemmy.blahaj.zone
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            2•1 month ago

            🦀 🦀🦀🦀🦀🦀🦀🦀

      • @SqueakyBeaver@lemmy.blahaj.zone
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        2•1 month ago

        Alternatively:

        https://en.cppreference.com/w/cpp/io/manip/endl

        p.s. The site isn’t entirely mobile friendly

        (I’m a cppref lover tbh)

    • @allywilson@lemmy.ml
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      3•1 month ago

      From memory it’s a way to declare a line ending after your string.

    • @jaybone@lemmy.zip
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      2•1 month ago

      God bless your soul.

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