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6. Modules

Level: beginner · Reading time: 3 min · Prerequisite: book/poche/05-structures.html · Last review: 2026-05-09

TL;DR (5 lines)

  • Read the core idea first.
  • Understand one concept at a time.
  • Run small examples.
  • Fix errors early.
  • Move to next chapter only when clear.

Frequent mistakes

  • Skipping prerequisites.
  • Reading without trying examples.
  • Fixing too many errors at once.

Prerequisites: book/poche/05-structures.html. See also: book/chapters/09-modules.html.

Goal

Separate code into readable files/modules.

Example

space app/math
share add

Why it matters

A clear module reduces conflicts and speeds up navigation.

Quick check

What would you name the module that manages users?

Try this

  1. Create a module app/math.
  2. Export a procedure.
  3. Use it from main.

If you're stuck

Name the modules by business domain, not by generic “util”.

Mini quiz

  1. What is the main goal of this chapter?
  2. Which concept is most important?
  3. What will you try right now?

See also

Next best action

Apply one idea from this chapter in a tiny example, then continue.