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Dynamically Sized Types

Explore the concept of dynamically sized types in Rust by understanding why certain values like string literals cannot be stored on the stack. Learn how Rust manages memory for these types and the role of references in efficient string handling.

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When you create a new value in Rust, it lives in a part of memory called the stack. It’s called a stack because it gets built up from the bottom to the top, like a stack of boxes. And just like a stack of boxes, it’s easy to add things and take things off the top. The stack turns out to be a great place to store a lot of data in Rust.

However, there’s a limitation with Rust’s stack. Each one of those boxes has to be a statically ...