This repository contains code to generate a flowchart showing the initialization rules for C++20.
The generated files are hosted on Github Pages: SVG, PNG.
The repository contains an M4 file which can be preprocessed into a graphviz dot file using GNU M4. Feed the preprocessed file into dot to get an image file.
Example for SVG: m4 flowchart.dot.m4 | dot -Tsvg > flowchart.svg
Example for PNG: m4 flowchart.dot.m4 | dot -Tpng > flowchart.png
Consult the dot manual for all of the file types and other options for controlling dot.