Rust Fundamentals for Solana

Declare and use variables with immutable and mutable bindings.

Distinguish between scalar types (integers, floats, booleans, characters) and compound types (tuples, arrays).

Define and call functions with parameters and return values.

Implement control flow using if/else expressions and loops (loop, while, for).

Explain the ownership model, including move semantics and the Copy trait.

Use references and borrowing to access data without taking ownership.

Define and instantiate structs to create custom data types.

Implement methods on structs using `impl` blocks.