sparsehash VS PEGTL

sparsehash

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Tracking mentions began in Dec 2020.

PEGTL

• Show HN: Matcheroni, a tiny C++20 header library for building lexers/parsers
  4 projects | news.ycombinator.com | 6 Jul 2023

  Very cool, and I like the name!

  I'd be interested in reading about how Matcheroni compares with PEGTL and Lexy.

  https://github.com/taocpp/PEGTL

• Use PEGTL to remove my clunky homemade parser
  2 projects | dev.to | 30 Jan 2023

  I found a library I wanted to test: Pegtl

• What are some cool modern libraries you enjoy using?
  32 projects | /r/cpp | 18 Sep 2022

  I like PEGTL

• Are C/C++ developers allowed to import libraries to make coding easier or are they expected to build every functions and methods from scratch (without importing anything like String.h)?
  1 project | /r/learnprogramming | 17 Jun 2022

  Sure - libraries that are expected to be entirely self-contained. The one that comes to mind is PEGTL, a parser combinator library that is intended to be embedded inside a larger program. Making it import more dependencies would break this philosophy. Similarly, in the Rust world, there are a variety of "no-std" crates that should be able to be imported even if the standard library is not available on the target platform.

• TIL: Visual Studio has quantum state values 🤨
  1 project | /r/cpp | 17 Mar 2022

  The program in the post was just an example meant to illustrate the problem. Originally, this (new) behavior of MSVC broke my code in the PEGTL, see [this commit](https://github.com/taocpp/PEGTL/commit/e3c8cb499dc3d1d76d23f2d5d79469dcb15550c5) that I needed to apply to fix it.

• We Built a C++ Rendering Engine for the Web
  2 projects | news.ycombinator.com | 10 Jul 2021

  As a professional C++ programmer I feel a lot of the reasons C++ gets this response is because it's simply not "batteries included" like Go or Rust.

  C++ is a very powerful, unopinionated language, that gives you a lot of freedom to attack your problem domain the way you best see fit.

  If you're writing a networked application, don't use POSIX sockets, go and find a higher level library. If you're parsing complex text formats, don't iterate over buffers with char*'s, go pick up PEGTL[0]. If you're working on graphs, or need to properly index in-memory data, go pick up Boost[1][2]. If you need a GUI, go pick up Qt.

  It's extremely common in C++, due to the lack of a universal package management solution, for people to try and "muddle through" and do shit themselves when it's far outside their core competency.

  At one of my last employers, the core product was parsing JSON with std::regex, simply because they couldn't be bothered to integrate a JSON library.

  [0] https://github.com/taocpp/PEGTL

  [1] https://www.boost.org/doc/libs/1_76_0/libs/graph/

  [2] https://www.boost.org/doc/libs/1_76_0/libs/multi_index/doc/i...

• Is there anything like sly for C++?
  3 projects | /r/cpp | 1 Jul 2021

  You are looking for Boost.Spirit (https://www.boost.org/doc/libs/1_76_0/libs/spirit/doc/x3/html/index.html) or PEGTL (https://github.com/taocpp/PEGTL)

• Why no more Lex/Yakk/ANTLR/whatever?
  5 projects | /r/cpp | 20 Jun 2021

  I personally prefer to use parsing combinator libraries in C++, where the "grammar" is just part of normal C++ and directly integrate. Examples are Boost.Spirit, pegtl, or (my own) lexy.

• Rust's Most Unrecognized Contributor
  1 project | /r/rust | 2 May 2021
• Wondered if anyone is interested in a c++ parser combinators library?
  1 project | /r/cpp | 13 Apr 2021

  While I'm not quite sure how this might transfer to your approach, with your Haskell-inspired style being quite different from our C++ templates, in the PEGTL our equivalent to your Char, which is called one, is variadic (true to the T in PEGTL a variadic template) and takes a list of possible matches.