Rust has two main string types: &str (a string slice) and String (a growable, heap-allocated string). &str is usually used for static or borrowed strings, while String is used when you need to modify or own the string data. In…
Rust has four main categories of scalar primitive types: integers, floating-point numbers, booleans, and characters. These types are built into the language, fixed in size, and form the foundation of all value handling in Rust programs. To write useful programs…
In Rust, variable shadowing lets you reuse the same variable name in the same or a nested scope. Each shadowed variable is a new binding, which allows transformations or type changes without using a new name. When learning how Rust…
Rust is a statically typed language, which means every variable must have a type known at compile time. You can either write this type explicitly using type annotations, or let Rust figure it out automatically using type inference. Rust aims…
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In Rust, constants are defined using const and must have a fixed type and value known at compile time. Unlike mutable variables, constants never change and can be used throughout your code wherever needed. Use const for values like limits,…
In Rust, variables are declared using let. By default, all variables are immutable, which means you cannot change their values. To make a variable mutable, add mut like this: let mut x = 5. This is different from JavaScript, where…
To write your first Rust program, use cargo new project_name, then open main.rs and add a main function with a println! macro. This prints a message to the terminal. Rust programs always start from the main function. Once your Rust…
To set up Rust on your computer, install Rust using rustup, which includes the compiler (rustc) and build tool (cargo). Use cargo new to create your first project, and run it with cargo run. For the best experience, use Visual…
Rust is a fast, safe, modern programming language that compiles to native code and helps prevent bugs through strict compile-time checks. It is ideal for JavaScript developers who want more control, better performance, and safer concurrency in system-level or backend…