Rust-Course-2025

What Are Arrays in Rust? An array in Rust is a collection of elements of the same type, stored in contiguous memory locations. Arrays have a fixed size determined at compile time, meaning their length cannot change during runtime. Arrays are ideal when you know the exact number of elements and require a fast, predictable … Read more

What Are String Methods in Rust? String methods in Rust are predefined functions that operate on String or &str types to perform actions like modification, analysis, and transformation. These methods are part of the String and str standard library implementations. Categories of String Methods 1. Creating and Initializing Strings Rust provides several ways to create … Read more

What Are Strings in Rust? In Rust, a string is a sequence of Unicode characters. Rust has two main types for representing strings: Both types have specific use cases and characteristics, and understanding their differences is essential for effective Rust programming. String vs. String Slice Feature String &str Mutability Mutable Immutable Storage Heap Stack or … Read more

What Are Lifetimes in Rust? A lifetime in Rust refers to the scope during which a reference remains valid. Rust uses lifetimes to track how long references are used to ensure they do not outlive the data they point to. Lifetimes are not the actual data but annotations that the compiler uses to enforce memory … Read more

What Are Slices in Rust? A slice is a dynamically-sized view into a contiguous sequence of elements in a collection. Unlike arrays, slices do not own the data they reference. They are typically created using a reference and a range of indices. Slices are represented as a type &[T] for immutable slices or &mut [T] … Read more

What Are References in Rust? A reference in Rust is a pointer-like data type that allows you to access or modify the value of a variable without owning it. References are created using the & symbol. Rust ensures that references are always valid through its strict ownership and borrowing rules. Types of References Immutable References … Read more

What Is Borrowing in Rust? Borrowing allows you to access a value without taking ownership of it. Instead of transferring ownership, Rust provides references (&) that let you “borrow” a value temporarily. Borrowing is particularly useful when you want to read or modify a value without creating a copy or moving ownership. There are two … Read more

Rust’s Ownership system is designed for memory safety because memory is automatically and safely managed without needing a garbage collector. Java and Python languages rely on garbage collection, but Rust uses ownership to automatically clean up memory when it’s no longer needed. In simple terms, every value in Rust has a single owner, and when … Read more

Closures are short anonymous functions in Rust. It is not declared with a name like a normal function. Closures are a powerful and flexible feature because they allow writing logic quickly without needing a full function. Closures are generally used for short logic, not long code blocks. For example, one-liners or small blocks that are … Read more

Parameters are a powerful feature that allows you to pass data to a function to make the code reusable. Learn here, What are the Functions in Rust? We can tell the function what kind of input it will receive by using parameters. When we call the function, we give actual values (arguments), which are passed … Read more