An example of creating a Swift like guard let extension function in Kotlin for EditText viewgroup

GuardLetEditTextExtension.kt

inline infix fun EditText.guard(call: () -> Unit): String? {
    if (this.text.isNotEmpty()) return text
    else {
        call()
        return null
    }
}


//example of usage

val name = field.guard{
  println("This field cant be empty!")
  return null
}
println($name)