rust-quiz.md

Rust (Programming Language)

Q1. Which type cast preserves the mathematical value in all cases?

• i64 as i32
• usize as u64
• i32 as i64
• f64 as f32

Q2. What do the vertical bars represent here?

str::thread::spawn(|| {
  println!("LinkedIn");
});

• a closure
• a thread
• a future
• a block

Q3. Which choice is not a scalar data type?

• integer
• float
• boolean
• tuple

Q4. _ cannot be destructured.

• Traits
• Tuples
• Enums
• Structs

Q5. Which cargo command checks a program for error without creating a binary executable?

• cargo --version
• cargo init
• cargo build
• cargo check