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File: Golang Pdf 184621 | Golang Convert String To Integer
golang convert string to integer string to integer in golang to convert string to integer in golang use atoi function of strconv package the usage of atoi function is import ...

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            Golang – Convert String to Integer
     String to Integer in Golang
     To convert String to Integer in Golang, use  Atoi()  function of strconv package. The usage of Atoi() function
     is
      // import statement
      import "strconv"
       
      // convert string to integer
      number, error = strconv.Atoi("14")
     where strconv.Atoi() takes string as argument and converts into an integer. The function also returns an error.
     error object will be null if there is no error.
     Atoi means A(Alphabets or String) to i(integer).
     Example 1 – Convert String to Integer
     In this example, we will take a string that has only a number and convert it to integer value.
     example.go
      package main
       
      import "fmt"
      import "strconv"
       
      func main() {
          var str = "14"
          // convert string to integer
          number, error := strconv.Atoi(str)
          fmt.Println("error:", error)
          fmt.Println("number:", number)
      }
     Output
      error: 
      number: 14
      Example 2 – Convert String to Integer [Negative Scenario]
      In this example, we will take a string that has also non-numeric characters. We will try converting it to a number.
      We should get an error.
      example.go
       package main
        
       import "fmt"
       import "strconv"
        
       func main() {
           var str = "14sup."
           // convert string to integer
           number, error := strconv.Atoi(str)
           fmt.Println("error:", error)
           fmt.Println("number:", number)
       }
      Output
       error: strconv.Atoi: parsing "14sup.": invalid syntax
       number: 0
      We received a “invalid syntax” error while trying to parse a string that contains non-numeric characters.
      Golang
      ✦ Golang Tutorial
      ✦ Run Golang Program
      ✦ Golang If Else
      ✦ Golang Switch
      ✦ Golang For Loop
      ✦ Golang Comments
      ✦ Golang Functions
      ✦ Golang Array
      ✦ Golang Slice
      ✦ Golang Struct
      ✦ Golang Class
      ✦ Golang Range
      ✦ Golang Map
      ✦ Golang Goroutine
      ✦ Golang Channel
      Golang String Operations
      ✦ Golang String Length
      ✦ Golang String Concatenation
      ✦ Golang Split String
      ✦ Golang String - Get Index of Substr
      ✦ Golang String to Uppercase
      ✦ Golang String to Lowercase
     ➩➩ Golang Convert String to Integer
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