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Questions and Answers
Which of the following best describes the default behavior of variables in Rust?
Which of the following best describes the default behavior of variables in Rust?
- Variables are immutable by default (correct)
- Variables are mutable by default
- Variables cannot be assigned a value
- Variables can be both mutable and immutable
What is the purpose of Rust encouraging immutability?
What is the purpose of Rust encouraging immutability?
- To ensure safety and easy concurrency (correct)
- To make the code more concise
- To improve the performance of the code
- To allow for easier debugging
How can you make a variable mutable in Rust?
How can you make a variable mutable in Rust?
- By using the 'let' keyword
- By using the 'const' keyword
- By using the 'mut' keyword (correct)
- By using the 'var' keyword
What happens when a variable is immutable in Rust?
What happens when a variable is immutable in Rust?
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What is the purpose of the Rust compiler in relation to immutability errors?
What is the purpose of the Rust compiler in relation to immutability errors?
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