How to Get Length of a Set in Go - Step by Step Examples

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How to Get Length of a Set in Go ?

Answer

To get the size of a set in Go, you can use the built-in len function on the set.

✐ Examples

1 Get Size of Set

In this example,

We create a set named set1 using a map with boolean values to represent a set-like structure.
We use the len function on the set set1 to get the number of elements in the set.
The len function returns the size of the set.
Finally, we print the size of the set to the output.

Go Program

package main

import "fmt"

func main() {
    set1 := make(map[string]bool)
    set1["apple"] = true
    set1["banana"] = true
    set1["cherry"] = true
    size := len(set1)
    fmt.Println("Size of set1:", size)
}

Output

Size of set1: 3

2 Get Size of Empty Set

In this example,

We create an empty set named emptySet using an empty map.
We use the len function on the set emptySet to get the number of elements in the set.
Since the set is empty, the len function returns 0.
Finally, we print the size of the empty set to the output.

Go Program

package main

import "fmt"

func main() {
    emptySet := make(map[string]bool)
    size := len(emptySet)
    fmt.Println("Size of emptySet:", size)
}

Output

Size of emptySet: 0

Summary

In this tutorial, we learned How to Get Length of a Set in Go language with well detailed examples.

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How to Get Length of a Set in Go - Step by Step Examples

How to Get Length of a Set in Go ?

Answer

✐ Examples

1 Get Size of Set

Go Program

Output

2 Get Size of Empty Set

Go Program

Output

Summary

More Go Sets Tutorials