Yashotantra Academy logo
← Rust theorytheory 0/50 · 0%
level 1
Curious · 0 XP
streak
0d
perfect
0
badges
0

100 XP to Apprentice

Metaprogramming · medium

36. Macros

macro_rules! and derive macros.

1 min read2 questionsup to 50 XPtopic 36/50

Read in another language

AI translates the explanation and quiz text while preserving code and answer scoring.

Declarative macros written with `macro_rules!` match token patterns and expand code, reducing boilerplate. Procedural macros — derive, attribute and function-like — run Rust code at compile time over token streams and power frameworks like Anchor.

How to study this topic

  1. 1. Read the explanation once end to end, skipping the code.
  2. 2. Re-read the code snippets and say out loud what each line does.
  3. 3. Answer the quiz without scrolling back — that is the real check.
  4. 4. Read every explanation, even for the answers you got right.

Scoring

  • · Up to 30 XP from quiz accuracy.
  • · +15 XP for a perfect first attempt.
  • · +5 XP while a 3-day streak is running.
  • · 75% or higher marks the topic complete.

Check your understanding

  1. 1. Which macro kind runs code at compile time on tokens?

  2. 2. Anchor's #[program] is a…

Badges

First light
Pass your first topic
Sharp shooter
3 perfect first-try quizzes
On a roll
Study 3 days in a row
Week warrior
Study 7 days in a row
Grinder
Earn 500 XP
Deep diver
Earn 1500 XP