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: deep_equal.go
    path of file: ./repos/devspace/vendor/k8s.io/apimachinery/third_party/forked/golang/reflect
    
    the code of the file until where you have to start completion: // Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package reflect is a fork of go's standard library reflection package, which
// allows for deep equal with equality functions defined.
package reflect

import (
	"fmt"
	"reflect"
	"strings"
)

// Equalities is a map from type to a function comparing two values of
// that type.
type Equalities map[reflect.Type]reflect.Value

// For convenience, panics on errors
func EqualitiesOrDie(funcs ...interface{}) Equalities {
	e := Equalities{}
	if err := e.AddFuncs
    
func (e Equalities) AddFunc(eqFunc interface{}) error {
	fv := reflect.ValueOf(eqFunc)
	ft := fv.Type()
	if ft.Kind() != reflect.Func {
		return fmt.Errorf("expected func, got: %v", ft)
	}
	if ft.NumIn() != 2 {
		return fmt.Errorf("expected two 'in' params, got: %v", ft)
	}
	if ft.NumOut() != 1 {
		return fmt.Errorf("expected one 'out' param, got: %v", ft)
	}
	if ft.In(0) != ft.In(1) {
		return fmt.Errorf("expected arg 1 and 2 to have same type, but got %v", ft)
	}
	var forReturnType bool
	boolType := reflect.TypeOf(forReturnType)
	if ft.Out(0) != boolType {
		return fmt.Errorf("expected bool return, got: %v", ft)
	}
	e[ft.In(0)] = fv
	return nil
}