You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: envconfig.go
    path of file: ./repos/kuma/test/testenvconfig
    
    the code of the file until where you have to start completion: // Copyright (c) 2013 Kelsey Hightower
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including wi
    
func interfaceFrom[T any](field reflect.Value) T {
	// it may be impossible for a struct field to fail this check
	if !field.CanInterface() {
		var zero T
		return zero
	}

	if val, ok := field.Interface().(T); ok {
		return val
	}

	if field.CanAddr() {
		if val, ok := field.Addr().Interface().(T); ok {
			return val
		}
	}

	var zero T
	return zero
}