So I am enrolled in a "principles of programming course" and need help understanding these "side effects". My teacher gave me this definition but I need help elaborating and understanding these side effects. Functional side effects: when a function changes a two-way parameter or a non- local variable • Problem with functional side effects: • When a function referenced in an expression alters another operand of the expression; e.g., for a parameter change: a = 10; /* assume that fun changes its parameter */ b = a + fun(&a);
So I am enrolled in a "principles of programming course" and need help understanding these "side effects". My teacher gave me this definition but I need help elaborating and understanding these side effects. Functional side effects: when a function changes a two-way parameter or a non- local variable • Problem with functional side effects: • When a function referenced in an expression alters another operand of the expression; e.g., for a parameter change: a = 10; /* assume that fun changes its parameter */ b = a + fun(&a);
Programming Logic & Design Comprehensive
9th Edition
ISBN:9781337669405
Author:FARRELL
Publisher:FARRELL
Chapter11: More Object-oriented Programming Concepts
Section: Chapter Questions
Problem 20RQ
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Question
So I am enrolled in a "principles of
local variable
• Problem with functional side effects:
• When a function referenced in an expression alters another operand of the expression; e.g.,
for a parameter change:
a = 10;
/* assume that fun changes its parameter */
b = a + fun(&a);
SOMEONE PLEASE PROVIDE EXAMPLES!!!
![Example Side Effects
●
●
modifying a non-local variable
modifying a static local variable
modifying a mutable argument passed by reference
performing I/O or calling other functions with side-effects](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7daa69d8-205a-4b72-abf5-96966d755823%2F44ec711c-ad04-4139-b642-c06e12e0febb%2Fr924yq7_processed.png&w=3840&q=75)
Transcribed Image Text:Example Side Effects
●
●
modifying a non-local variable
modifying a static local variable
modifying a mutable argument passed by reference
performing I/O or calling other functions with side-effects
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