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andreasfertig/cppinsights

Developer toolsC++#clang#cpp#cpp11#cpp14#cpp17
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C++ Insights - See your source code with the eyes of a compiler

About the project

A Clang-based source-to-source transformation tool that shows what the compiler does implicitly in C++ code: lambdas, range-based for loops, structured bindings, auto, implicit constructors and casts.

Useful for
  • Inspect how the compiler expands a lambda or range-based for loop to understand C++ semantics
  • Show students in a lecture which special member functions and casts the compiler generates
  • Check which type is deduced behind auto or decltype in a given code snippet

README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.

2.9 Breakout Magnitude out of 10 — how fast interest is growing, not a quality score.

Star growth looks organic. Data as of October 3, 2026, 15:15 UTC.

The star-growth assessment does not verify whether the project is safe to run.

Stars per day

01020July 6, 2026October 3, 2026

Bars show daily stars; the line is a moving average of the available history. Short histories do not yet establish a reliable usual pace. Red marks spike days.

Why it’s trending

  • 20 stars so far today, about 27 expected by the end of the day. The usual pace is 0 per day, so that's 27× as much.
  • Before this, the repository barely got any stars — about 0 per day.
  • Hacker News: “C++ Insights – See your source code with the eyes of a Compiler” — 50 points, 1 day ago.

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What they do, why they are gaining interest, and what to check before using them.

Editions at 10:00, 16:00, 22:00 MSK.

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Numbers

Total stars
4,539
Today
20 · ≈ 27 by evening
Forks
266
Issues and pull requests
747
Watchers
67
Language
C++
License
MIT
Latest release
v_21.1 · May 13, 2026
Created
April 29, 2018
Last push
August 26, 2026

Star trust

Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.

These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.

Hacker News discussions
Spotted in
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Seismograph: 2.9 
[![Seismograph](https://gitnova.dev/badge/andreasfertig/cppinsights.svg?lang=en)](https://gitnova.dev/en/r/andreasfertig/cppinsights)