Golang Type Assertions

SAMER SAEID answered on June 16, 2022 Popularity 9/10 Helpfulness 1/10

answer Golang Type Assertions

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Golang Type Assertions

Comment

// create an empty interface
var a interface {}

//  store value of string type
a = "Hello World"

// store value of integer type
a = 10

Popularity 9/10 Helpfulness 1/10 Language go

Source: Grepper

Tags: go

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Contributed on Jun 16 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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type assertions in golang

Comment

// assertedVariable, ok := variable.(type)

var foo interface{} = "Hello"

str := foo.(string)
fmt.Println(str) // "Hello"

num := foo.(int) // panic
fmt.Println(num)

num2, ok := foo.(int)
fmt.Println(num2, ok) // 0, false

Popularity 9/10 Helpfulness 4/10 Language go

Source: Grepper

Tags: go g

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Contributed on Nov 19 2022

Poor Piranha

0 Answers Avg Quality 2/10

Go Type Assertions

Comment

package main
import "fmt"

func main() {

  // create an empty interface
  var a interface {}

  // store integer to an empty interface
  a = 10

  // type assertion
  interfaceValue := a.(int)

  fmt.Println(interfaceValue)
}

Popularity 9/10 Helpfulness 2/10 Language go

Source: Grepper

Tags: go g

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Contributed on Jun 16 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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Golang Type Assertions

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Golang Type Assertions

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type assertions in golang

Go Type Assertions

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