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Gleam / Types & Data

Opaque types

Learn Opaque types in Gleam with a focused explanation, a topic-specific example, and a mastery check.

12 min read • Beginner

gleam-016.gleam

gleam

pub opaque type Email { Email(String) }
pub fn new_email(value: String) { Email(value) }

What to watch

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Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

Opaque types Mastery Check →

Named functions