This VS Code might be relevant to what you’re asking: https://dev.to/ko1/rstfilter-vscode-extension-for-your-new-ruby-development-experience-1h97 https://dev.to

This VS Code might be relevant to what you’re asking: https://dev.to/ko1/rstfilter-vscode-extension-for-your-new-ruby-development-experience-1h97 https://dev.to/ko1/rstfilter-vscode-extension-for-your-new-r... It prints the results of executing your code line by line, next to your source code.