How to Convert a Set of Strings to a Set of Floats in Go - Step by Step Examples

How to Convert a Set of Strings to a Set of Floats in Go ?

Answer

To convert a set of strings to a set of floats in Go, you can use the strconv package's ParseFloat() function to transform each string value into its corresponding float value.


✐ Examples

1 Convert a Set of Strings ["1.1", "2.2", "3.3"] to Floats

In this example,

  1. First, we create a slice of strings named stringSlice1 with values []string{"1.1", "2.2", "3.3"}.
  2. Next, we iterate over each string value in stringSlice1 using a for loop.
  3. Within the loop, we use the strconv.ParseFloat() function to convert each string value to a float. We handle any errors that may occur during the conversion process.
  4. We store the resulting float values in a slice named floatSlice1.

Go Program

package main

import (
    "fmt"
    "strconv"
)

func main() {
    stringSlice1 := []string{"1.1", "2.2", "3.3"}
    var floatSlice1 []float64
    for _, s := range stringSlice1 {
        f, err := strconv.ParseFloat(s, 64)
        if err == nil {
            floatSlice1 = append(floatSlice1, f)
        }
    }
    fmt.Println(floatSlice1)
}

Output

[1.1 2.2 3.3]

2 Convert a Set of Strings ["4.5", "5.6", "6.7"] to Floats

In this example,

  1. First, we create a slice of strings named stringSlice2 with values []string{"4.5", "5.6", "6.7"}.
  2. Next, we iterate over each string value in stringSlice2 using a for loop.
  3. Within the loop, we use the strconv.ParseFloat() function to convert each string value to a float. We handle any errors that may occur during the conversion process.
  4. We store the resulting float values in a slice named floatSlice2.

Go Program

package main

import (
    "fmt"
    "strconv"
)

func main() {
    stringSlice2 := []string{"4.5", "5.6", "6.7"}
    var floatSlice2 []float64
    for _, s := range stringSlice2 {
        f, err := strconv.ParseFloat(s, 64)
        if err == nil {
            floatSlice2 = append(floatSlice2, f)
        }
    }
    fmt.Println(floatSlice2)
}

Output

[4.5 5.6 6.7]

Summary

In this tutorial, we learned How to Convert a Set of Strings to a Set of Floats in Go language with well detailed examples.


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