Declarative Macros with macro_rules!
Last updated
What is Declarative Macros with macro_rules!?
Declarative macros use macro_rules! for pattern-based code generation at compile time. They match syntax patterns and expand into replacement code, enabling code reuse without runtime overhead. More limited than procedural macros but simpler to write and understand.
Free resources to learn Declarative Macros with macro_rules!
- Official docsMacros
- ArticleMacros in Rust: A Tutorial with Examples
More in stage 9: Macros & Metaprogramming
Declarative Macros with macro_rules!: common questions
Can I learn Declarative Macros with macro_rules! in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Declarative Macros with macro_rules! in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Declarative Macros with macro_rules! tutorial for beginners?
It is lesson 62 of 122 in the free Rust roadmap, in stage 9, Macros & Metaprogramming. If you are new to Rust, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.