Rust TutorialLesson 20Free preview

Rust Ownership

This lesson is part of Rust · All levels

Summary

This lesson reviews the most fundamental core concept in Rust language, which is Ownership. Each value in Rust has only one owner variable at a time. When the owner moves, the old owner is no longer accessible, thus preventing double-free error.

Key points

Every value in Rust has one variable owner.
There can only be one owner at a time.
When the owner is out of scope, the value will be automatically cleared.
Setting a heap-type variable to another variable moving ownership, not copying

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