Rust Programming Master Class from Beginner to Expert - Functions and Inputs

This tutorial covers the basics of Rust programming, focusing on functions, user input, and code blocks. It explains how to define and call functions, handle inputs and outputs, and use code blocks for computations. The tutorial also introduces user input handling using Rust's standard library.

What is the primary purpose of a function in programming?

• To perform a specific task

• To compile code

• To store data

• To debug errors

Where should functions be defined in relation to the main function in Rust?

• Inside the main function

• Outside the main function

• At the beginning of the file

• At the end of the file

What must be maintained when calling a function with inputs in Rust?

• The order and type of inputs

• The length of the function name

• The number of lines in the function

• The color of the text editor

How can you call a function with inputs using variables in Rust?

• By using constants

• By using global variables

• By passing variables as arguments

• By declaring variables inside the function

What is the purpose of a return value in a function?

• To print data to the console

• To specify the output of a function

• To store data permanently

• To initialize variables

How can multiple outputs be returned from a function in Rust?

• Using tuples

• Using lists

• Using dictionaries

• Using arrays

What is a key difference between code blocks and functions?

• Code blocks have a name

• Code blocks are only for loops

• Code blocks do not have a name

• Code blocks can be reused

What is the main use of code blocks in Rust?

• To define global variables

• To perform computations and initialize variables

• To create loops

• To handle errors

Which function is used to read user input in Rust?

• read_input

• get_input

• input_read

• read_line

What should be done if the parse function fails to convert a string input?

• Ignore the error

• Print the input as is

• Use the expect function to handle the error

• Restart the program