Swift - Checking the Size of a Dictionary

Introduction

To get the number of items within a dictionary, use the count property which is read-only:

Demo

var myTable =  [
    "Apple": "iOS",
    "Google" : "Android",
    "Microsoft" : "Windows Phone"
]

print(myTable.count)  //3

Result

Related Topic

• Dictionaries
• Get to know Dictionaries
• Mutability of Dictionaries
• Retrieving Elements from a Dictionary
• Modifying an Item in the Dictionary
• Removing an Item from the Dictionary
• Iterating over a Dictionary
• Creating an Empty Dictionary
• Testing Dictionaries for Equality
• Copying The Behavior Of Arrays And Dictionaries

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