home/develop/emacs/snippets/ess-r-mode/hr

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home/develop/emacs: add yasnippet snippets and make snippet dirs configurable This commit makes two significant changes to the Emacs configuration: 1. Refactors emacs.nix to use proper NixOS module structure: - Converts from simple configuration to a module with options/config - Adds `tb.emacs.extraSnippetDirs` option to allow per-machine snippet directories (defaults to ~/.emacs.d/snippets/) - Moves yasnippet configuration from custom.el to nix-generated elisp, enabling dynamic snippet directory configuration via Nix 2. Adds a comprehensive collection of yasnippet snippets for multiple modes: - C++ mode: 50 snippets for common patterns (class, namespace, operators, copy/move semantics, debug helpers, documentation, threading primitives) - CC mode (shared C/C++): for, switch, main, include guards, etc. - CMake mode: if/else, foreach, function, macro, project boilerplate - LaTeX mode: document structure, beamer frames, figures, lists - Perl mode: package boilerplate, shebang - Python/Shell/Nix/Protobuf/Java/CSS/Dockerfile modes: horizontal rules and common patterns - Text mode: modeline snippets for locale settings The snippets use yasnippet's inheritance system via .yas-parents files, so c++-mode inherits from cc-mode and text-mode, reducing duplication. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> 2025-12-08 22:38:18 -08:00			`# -- mode: snippet --`
			`# name: hr`
			`# key: hr`
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