fixing examples

Author: Nick Randall

README.md

@@ -1,5 +1,5 @@
 # DataLoader
-[![GoDoc](https://godoc.org/github.com/nicksrandall/dataloader?status.svg)](https://godoc.org/github.com/nicksrandall/dataloader)
+[![GoDoc](https://godoc.org/gopkg.in/nicksrandall/dataloader.v3?status.svg)](https://godoc.org/github.com/nicksrandall/dataloader)
 [![Build Status](https://travis-ci.org/nicksrandall/dataloader.svg?branch=master)](https://travis-ci.org/nicksrandall/dataloader)
 [![codecov](https://codecov.io/gh/nicksrandall/dataloader/branch/master/graph/badge.svg)](https://codecov.io/gh/nicksrandall/dataloader)
 
@@ -9,7 +9,7 @@ This is an implementation of [Facebook's DataLoader](https://github.com/facebook
 This project is a work in progress. Feedback is encouraged.
 
 ## Install
-`go get -u gopkg.in/nicksrandall/dataloader.v2`
+`go get -u gopkg.in/nicksrandall/dataloader.v3`
 
 ## Usage
 ```go

example/lru-cache/golang-lru.go

@@ -16,7 +16,7 @@ type Cache struct {
 }
 
 // Get gets an item from the cache
-func (c *Cache) Get(key string) (dataloader.Thunk, bool) {
+func (c *Cache) Get(_ context.Context, key string) (dataloader.Thunk, bool) {
 	v, ok := c.ARCCache.Get(key)
 	if ok {
 		return v.(dataloader.Thunk), ok
@@ -25,12 +25,12 @@ func (c *Cache) Get(key string) (dataloader.Thunk, bool) {
 }
 
 // Set sets an item in the cache
-func (c *Cache) Set(key string, value dataloader.Thunk) {
+func (c *Cache) Set(_ context.Context, key string, value dataloader.Thunk) {
 	c.ARCCache.Add(key, value)
 }
 
 // Delete deletes an item in the cache
-func (c *Cache) Delete(key string) bool {
+func (c *Cache) Delete(_ context.Context, key string) bool {
 	if c.ARCCache.Contains(key) {
 		c.ARCCache.Remove(key)
 		return true

example/ttl-cache/go-cache.go

@@ -17,7 +17,7 @@ type Cache struct {
 }
 
 // Get gets a value from the cache
-func (c *Cache) Get(key string) (dataloader.Thunk, bool) {
+func (c *Cache) Get(_ context.Context, key string) (dataloader.Thunk, bool) {
 	v, ok := c.c.Get(key)
 	if ok {
 		return v.(dataloader.Thunk), ok
@@ -26,12 +26,12 @@ func (c *Cache) Get(key string) (dataloader.Thunk, bool) {
 }
 
 // Set sets a value in the cache
-func (c *Cache) Set(key string, value dataloader.Thunk) {
+func (c *Cache) Set(_ context.Context, key string, value dataloader.Thunk) {
 	c.c.Set(key, value, 0)
 }
 
 // Delete deletes and item in the cache
-func (c *Cache) Delete(key string) bool {
+func (c *Cache) Delete(_ context.Context, key string) bool {
 	if _, found := c.c.Get(key); found {
 		c.c.Delete(key)
 		return true