Questions

1. Is there an official printed book to learn the Rust language?
2. How long was the longest primitive Rust integer in 2015, and how long was it at the end of 2018?
3. Which are the four domain working groups at the end of 2018?
4. What is the purpose of the Clippy utility?
5. What is the purpose of the rustfix utility?
6. Write a program that generates 10 pseudo-random f32 numbers between 100 and 400.
7. Write a program that generates 10 pseudo-random i32 numbers between 100 and 400 (without truncating or rounding the numbers generated by the previous exercise).
8. Write a program that creates a static vector containing all squared integers between 1 and 200.
9. Write a program that emits a warning message and an info message, and then run it so that only the warning message appears.
10. Try to parse a command-line argument that contains a value from 1 to 20, emitting an error message if the value is out of range. The short option should be -l, and the long option should be --level.

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