Check if struct implemented interface

main.go

package main

import (
	"fmt"
)

type Foo interface {
	bar(name string)
}

type Bar struct{}

func (*Bar) bar(id string) {}

type Baz struct{}

func (*Baz) bar(id int) {}

var _ Foo = new(Bar)
//var _ Foo = new(Baz) //error

func main() {
	fmt.Println("Hello, check")
}