interface to int golang

Easy Eel answered on October 12, 2020 Popularity 10/10 Helpfulness 2/10

answer interface to int golang

related golang interface to int

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interface to int golang

Comment

iAreaId := val.(int)
iAreaId, ok := val.(int) // Alt. non panicking version

Popularity 10/10 Helpfulness 2/10 Language go

Source: stackoverflow.com

Tags: go int interface

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Contributed on Oct 12 2020

Easy Eel

0 Answers Avg Quality 2/10

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golang interface to int

Comment

-1

var myInt interface{}
myInt = 8

toInt, ok := myInt.(int)
fmt.Println(toInt, ok)  // 8 true

toString, ok := myInt.(string)
fmt.Println(toString, ok)  // "" false

Popularity 9/10 Helpfulness 3/10 Language go

Source: Grepper

Tags: go g

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Contributed on May 17 2021

Evolcon

0 Answers Avg Quality 2/10

Interfaces in Golang

Comment

package main

import (
  "fmt"
)

type animal interface {
  description() string
}

type cat struct {
  Type  string
  Sound string
}

type snake struct {
  Type      string
  Poisonous bool
}

func (s snake) description() string {
  return fmt.Sprintf("Poisonous: %v", s.Poisonous)
}

func (c cat) description() string {
  return fmt.Sprintf("Sound: %v", c.Sound)
}

func main() {
  var a animal
  a = snake{Poisonous: true}
  fmt.Println(a.description())
  a = cat{Sound: "Meow!!!"}
  fmt.Println(a.description())
}

//=> Poisonous: true
//=> Sound: Meow!!!

Popularity 9/10 Helpfulness 3/10 Language css

Source: gowithgolang.com

Tags: css

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Contributed on Jul 06 2022

Harendra

0 Answers Avg Quality 2/10

interfaces in golang

Comment

The interface is a collection of methods as well as it is a custom type.

Popularity 10/10 Helpfulness 2/10 Language go

Source: Grepper

Tags: go g

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Contributed on Oct 31 2020

Nice Newt

0 Answers Avg Quality 2/10

interface to int golang

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