package ioc

import "reflect"

// InterfaceOf dereferences a pointer to an Interface type.
// It panics if value is not a pointer to an interface.
func InterfaceOf(value interface{}) reflect.Type {
	t := reflect.TypeOf(value)

	for t.Kind() == reflect.Ptr {
		t = t.Elem()
	}

	if t.Kind() != reflect.Interface {
		panic("the value is not a pointer to an interface. (*MyInterface)(nil)")
	}

	return t
}