Rust development

What is Rust language primarily used for?

• Mobile app development

• Graphics design

• Web development

• System programming

What characterizes a 'cargo' in the Rust development environment?

• It's a user interface tool

• It’s a debugging tool

• It’s a package manager for Rust

• It's an in-built library

What is 'ownership' concept in Rust?

• A strategy for dynamic typing

• An approach for parallel execution

• A set of rules that enables the Rust programming language to make memory safety guarantees without needing a garbage collector

• A tool for managing Rust versions

Which language did Rust get its syntax from?

• JavaScript

• Python

• Java

• C++

What does the '&mut' syntax signify in rust?

• Immutable reference

• Variable declaration

• Data type

• Mutable reference

What does 'rustup' help you manage?

• Cargo packages

• Rust compiler

• Rust library

• Multiple versions of the Rust programming language

What keyword is used to handle the 'null' values in Rust?

• None

• Some

• Null

• Option

What is a 'trait' in Rust language?

• A built-in function

• A way to define behavior that other types can use

• A special type of data structure

• A method overloading tool