fixed example test

Author: Code-Hex

example_test.go

@@ -2,24 +2,26 @@ package cache_test
 
 import (
 	"fmt"
+	"time"
 
 	cache "github.com/Code-Hex/go-generics-cache"
 	"github.com/Code-Hex/go-generics-cache/simple"
 )
 
 func ExampleNumberCache() {
-	c := cache.NewNumber[string, int](simple.NewCache[string, int]())
-	c.Set("a", 1)
-	c.Set("b", 2)
-	av := c.Increment("a", 1)
-	gota, aok := c.Get("a")
+	c := simple.NewCache[string, int]()
+	nc := cache.NewNumber[string, int](c)
+	nc.Set("a", 1)
+	nc.Set("b", 2, cache.WithExpiration(time.Minute))
+	av := nc.Increment("a", 1)
+	gota, aok := nc.Get("a")
 
-	bv := c.Decrement("b", 1)
-	gotb, bok := c.Get("b")
+	bv := nc.Decrement("b", 1)
+	gotb, bok := nc.Get("b")
 
 	// not set keys
-	cv := c.Increment("c", 100)
-	dv := c.Decrement("d", 100)
+	cv := nc.Increment("c", 100)
+	dv := nc.Decrement("d", 100)
 	fmt.Println(av, gota, aok)
 	fmt.Println(bv, gotb, bok)
 	fmt.Println(cv)