tweak readme

README.md

@@ -6,7 +6,7 @@
 
 * Simple
     - No Dependency
-    - Less 500 lines of Go(excluding tests)
+    - Less 1000 lines of Go
 * Fast
     - Faster than all well-known **LRU** caches
     - Zero memory allocs 
@@ -15,10 +15,11 @@
     - Continuous memory layout
 * Memory efficient
     - Uses only 24 extra bytes per cache object
+    - TTL (8 bytes) + ArrayList node (2 x 4 bytes) + Key hash (4 bytes) + Hash Entry index (4 bytes)
 
 ### Getting Started
 
-try on https://go.dev/play/p/XhMxFJe8jcy
+try on https://go.dev/play/p/CDWiToYEvWQ
 ```go
 package main
 
@@ -29,15 +30,20 @@ import (
 )
 
 func main() {
-	c := lru.New[string, int](1024)
+	c := lru.NewWithLoader[string, int](1024, func(string) (int, time.Duration, error) {
+		return 42, time.Hour, nil
+	})
 
-	c.SetWithTTL("a", 1, 1000*time.Millisecond)
+	c.SetWithTTL("a", 1, 200*time.Millisecond)
 	println(c.Get("a"))
 
-	time.Sleep(500 * time.Millisecond)
+	time.Sleep(100 * time.Millisecond)
 	println(c.Get("a"))
 
-	time.Sleep(1500 * time.Millisecond)
+	time.Sleep(150 * time.Millisecond)
+	println(c.Get("a"))
+
+	println(c.GetOrLoad("a", nil))
 	println(c.Get("a"))
 }
 ```
@@ -50,19 +56,19 @@ goos: linux
 goarch: amd64
 cpu: AMD EPYC 7763 64-Core Processor                
 BenchmarkCloudflareGet
-BenchmarkCloudflareGet-8   	32122790	       183.9 ns/op	      18 B/op	       1 allocs/op
+BenchmarkCloudflareGet-8   	34575751	       171.1 ns/op	      17 B/op	       1 allocs/op
 BenchmarkEcacheGet
-BenchmarkEcacheGet-8       	49922084	       120.0 ns/op	       5 B/op	       0 allocs/op
+BenchmarkEcacheGet-8       	52730455	       114.2 ns/op	       5 B/op	       0 allocs/op
 BenchmarkRistrettoGet
-BenchmarkRistrettoGet-8    	33818906	       195.6 ns/op	      41 B/op	       1 allocs/op
+BenchmarkRistrettoGet-8    	34192080	       172.0 ns/op	      41 B/op	       1 allocs/op
 BenchmarkTheineGet
-BenchmarkTheineGet-8       	29022984	       208.9 ns/op	       0 B/op	       0 allocs/op
+BenchmarkTheineGet-8       	29694378	       202.5 ns/op	       0 B/op	       0 allocs/op
 BenchmarkOtterGet
-BenchmarkOtterGet-8        	71440144	        85.35 ns/op	       0 B/op	       0 allocs/op
+BenchmarkOtterGet-8        	76333077	        74.27 ns/op	       0 B/op	       0 allocs/op
 BenchmarkPhusluGet
-BenchmarkPhusluGet-8       	60555633	        98.51 ns/op	       0 B/op	       0 allocs/op
+BenchmarkPhusluGet-8       	73868793	        82.88 ns/op	       0 B/op	       0 allocs/op
 PASS
-ok  	command-line-arguments	61.404s
+ok  	command-line-arguments	46.827s
 ```
 
 [godoc-img]: http://img.shields.io/badge/godoc-reference-blue.svg