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How to get the first key-value pair of a Swift dictionary
Theodore Kelechukwu OnyejiakuOverview
The first property, when used on a dictionary instance, returns the first key-value pair of the dictionary.
Syntax
dictionary.first
Return value
The first entry of a dictionary in a key-value pair is returned.
Code example
// Create a dictionary var months = [ "1" : "One", "2" : "Two", "3" : "Three", "4" : "Four", "5" : "Five", "6" : "Six", "7" : "Seven", "8" : "Eight", "9" : "Nine" ] // Display dictionary print(months) // Get first entry print(months.first!)
Getting the first entry of a dictionary in Swift
Explanation
- Line 2: We create a
dictionaryinstance calledmonths. - Line 18: We fetch the first entry of the dictionary using the
firstproperty, then print it to the console.
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dictionary
key-value pair
swift
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Theodore Kelechukwu OnyejiakuRELATED COURSES
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