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What is the debugDescription property of a dictionary in Swift?

Theodore Kelechukwu Onyejiaku

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

Overview

When we use the debugDescription property of a dictionary instance on a dictionary, we want to get the string that represents the contents of that dictionary. This property is useful and suitable for debugging.

Syntax

dictionary.debugDescription

Return value

The value returned is a string.

Code example

// create some dictionaries
var days = [
0 : "Sunday",
1 : "Monday",
2 : "Tuesday",
3 : "Wednesday",
4 : "Thursday",
5 : "Friday",
6 : "Saturday"
]
// get the debug description
print(days.debugDescription)
Getting the debug description of a dictionary in Swift

Explanation

  • Lines 2 to 10: We create a dictionary called days. We then give it some entry values.
  • Line 13: We get the debug description using the debugDescription property and print the value to the console.

RELATED TAGS

swift
debug
description
communitycreator

CONTRIBUTOR

Theodore Kelechukwu Onyejiaku

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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