A no-op in golang. It does nothing.
go get github.com/bhargav175/noop
import "github.com/bhargav175/noop"
// ...
var a func()
if want_to_do_something == true {
a = func() {
//do something
}
}else{
a = noop.Noop
}
a()
// ...