Rust Programming Master Class from Beginner to Expert - Function Types

Rust Programming Master Class from Beginner to Expert - Function Types

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

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This tutorial introduces the concept of function pointers in Rust, explaining how they can be used to reference functions whose identity is not known at compile time. It covers defining Max and Min functions, using function pointers in the main program, and passing them as parameters to other functions. Practical examples are provided to reinforce learning, and the tutorial concludes with a brief mention of advanced uses such as communication with external APIs.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a function pointer in Rust?

To store data values

To handle input/output operations

To point to executable code

To manage memory allocation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a function pointer differ from a regular data pointer?

It is used for file operations

It can only point to integers

It points to a memory address

It points to executable code

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output type of the Max function defined in the tutorial?

U32

I32

F32

I64

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Rust program, how is the function pointer variable 'f' initially set?

By assigning it to the Min function

By assigning it to the Max function

By assigning it to a constant value

By assigning it to a string

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the function 'print_name' in the tutorial?

To calculate the sum of two numbers

To print a string passed to it

To find the maximum of two numbers

To sort an array

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the 'prints_full_info' function utilize function pointers?

By handling input/output operations

By managing memory allocation

By calling another function with additional inputs

By storing data values

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'do_twice' function do with its function pointer argument?

Converts the function to a string

Calls the function twice and adds the results

Calls the function once

Stores the function for later use

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