Rust Data StructuresLesson 24Free preview

Rust Vectors

This lesson is part of Rust · All levels

Summary

This lesson discusses Vectors (Vec<T>) which is the most commonly used dynamic array in Rust. Vectors store their elements sequentially in memory heap, so that their size can be increased or decreased as the program runs. The developer will learn the operations of push, pop, and the safe reading of the elements.

Key points

Vectors store many values of the same type in the memory heap
Its size can grow or shrink dynamically
Adding new elements is done using the '.push()' method
Reading elements can use direct index or the safe method '.get() ' that returns the Option

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