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polyglot-rust-c

Create polyglot source files that compile as both Rust and C/C++ programs.

Updated Apr 14, 2026
Search Tags:#single-file#rust#c++#polyglot#preprocessor#comment-tricks#compile-test
One-click install
npx skills add https://github.com/bianhaifeng789-hue/openclaw-config --skill polyglot-rust-c-bianhaifeng789-hue
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: polyglot-rust-c
Source: https://github.com/bianhaifeng789-hue/openclaw-config/tree/main/skills/tb2/polyglot-rust-c
Command: npx skills add https://github.com/bianhaifeng789-hue/openclaw-config --skill polyglot-rust-c-bianhaifeng789-hue

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers create single source files that compile and run correctly as both Rust and C/C++ programs, eliminating guesswork about comment interactions, preprocessor behavior, and cross-compiler differences.

Core Features & Use Cases

  • Polyglot Patterns: Describes practical patterns—comment toggles, preprocessor hides, and line-continuation tricks—to hide language-specific code from the other compiler.
  • Iterative Workflow: Emphasizes fast write-compile-test cycles with guidance on debugging compiler errors and tracking attempts.
  • Verification Steps: Provides strategies to compile with rustc and g++ and to verify identical runtime outputs for demos, teaching, code-golfing, or single-file distribution.

Quick Start

Create a minimal file that uses comment toggles and preprocessor guards, compile it with both rustc and g++ (or clang++) and iterate until both compilers succeed and outputs match.

Frequently Asked Questions about polyglot-rust-c

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I make a single source file compile as both Rust and C++?▼

A Rust and C/C++ polyglot is a single source file that compiles and runs correctly under both languages. It relies on comment tricks and preprocessor hides to isolate language-specific syntax from the opposing compiler.

What are the best comment tricks to hide Rust code from a C++ compiler?▼

You can build a polyglot by iteratively writing code with comment toggles and preprocessor hides, then compiling with rustc and g++. You test repeatedly, debugging compiler errors until both succeed and outputs match.

How do I verify cross-compiler output for a Rust and C polyglot?▼

This approach suits single-file distribution, teaching, and code-golfing scenarios. It works by using language-specific comment tricks and preprocessor directives within one file, compiling successfully under both rustc and g++.

Why does my Rust and C++ polyglot fail to compile with rustc?▼

Your polyglot may fail due to comment continuation mismatches or preprocessor hides leaking into the wrong compiler. Iterative compile-test cycles are required to track attempts and debug cross-compiler syntax conflicts.

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