README.md: Remove one level of indentation and increase 'recommended' cleanupInterval

Author: patrickmn

README.md

@@ -20,86 +20,85 @@ one) to recover from downtime quickly. (See the docs for `NewFrom()` for caveats
 ### Usage
 
 ```go
-	import (
-		"fmt"
-		"github.com/patrickmn/go-cache"
-		"time"
-	)
-
-	func main() {
-
-		// Create a cache with a default expiration time of 5 minutes, and which
-		// purges expired items every 30 seconds
-		c := cache.New(5*time.Minute, 30*time.Second)
-
-		// Set the value of the key "foo" to "bar", with the default expiration time
-		c.Set("foo", "bar", cache.DefaultExpiration)
-
-		// Set the value of the key "baz" to 42, with no expiration time
-		// (the item won't be removed until it is re-set, or removed using
-		// c.Delete("baz")
-		c.Set("baz", 42, cache.NoExpiration)
-
-		// Get the string associated with the key "foo" from the cache
-		foo, found := c.Get("foo")
-		if found {
-			fmt.Println(foo)
-		}
-
-		// Since Go is statically typed, and cache values can be anything, type
-		// assertion is needed when values are being passed to functions that don't
-		// take arbitrary types, (i.e. interface{}). The simplest way to do this for
-		// values which will only be used once--e.g. for passing to another
-		// function--is:
-		foo, found := c.Get("foo")
-		if found {
-			MyFunction(foo.(string))
-		}
-
-		// This gets tedious if the value is used several times in the same function.
-		// You might do either of the following instead:
-		if x, found := c.Get("foo"); found {
-			foo := x.(string)
-			// ...
-		}
-		// or
-		var foo string
-		if x, found := c.Get("foo"); found {
-			foo = x.(string)
-		}
-		// ...
-		// foo can then be passed around freely as a string
+import (
+	"fmt"
+	"github.com/patrickmn/go-cache"
+	"time"
+)
+
+func main() {
+	// Create a cache with a default expiration time of 5 minutes, and which
+	// purges expired items every 10 minutes
+	c := cache.New(5*time.Minute, 10*time.Minute)
+
+	// Set the value of the key "foo" to "bar", with the default expiration time
+	c.Set("foo", "bar", cache.DefaultExpiration)
+
+	// Set the value of the key "baz" to 42, with no expiration time
+	// (the item won't be removed until it is re-set, or removed using
+	// c.Delete("baz")
+	c.Set("baz", 42, cache.NoExpiration)
+
+	// Get the string associated with the key "foo" from the cache
+	foo, found := c.Get("foo")
+	if found {
+		fmt.Println(foo)
+	}
 
-		// Want performance? Store pointers!
-		c.Set("foo", &MyStruct, cache.DefaultExpiration)
-		if x, found := c.Get("foo"); found {
-			foo := x.(*MyStruct)
-			// ...
-		}
-
-		// If you store a reference type like a pointer, slice, map or channel, you
-		// do not need to run Set if you modify the underlying data. The cached
-		// reference points to the same memory, so if you modify a struct whose
-		// pointer you've stored in the cache, retrieving that pointer with Get will
-		// point you to the same data:
-		foo := &MyStruct{Num: 1}
-		c.Set("foo", foo, cache.DefaultExpiration)
-		// ...
-		x, _ := c.Get("foo")
-		foo := x.(*MyStruct)
-		fmt.Println(foo.Num)
-		// ...
-		foo.Num++
-		// ...
-		x, _ := c.Get("foo")
-		foo := x.(*MyStruct)
-		foo.Println(foo.Num)
+	// Since Go is statically typed, and cache values can be anything, type
+	// assertion is needed when values are being passed to functions that don't
+	// take arbitrary types, (i.e. interface{}). The simplest way to do this for
+	// values which will only be used once--e.g. for passing to another
+	// function--is:
+	foo, found := c.Get("foo")
+	if found {
+		MyFunction(foo.(string))
+	}
 
-		// will print:
-		// 1
-		// 2
+	// This gets tedious if the value is used several times in the same function.
+	// You might do either of the following instead:
+	if x, found := c.Get("foo"); found {
+		foo := x.(string)
+		// ...
+	}
+	// or
+	var foo string
+	if x, found := c.Get("foo"); found {
+		foo = x.(string)
+	}
+	// ...
+	// foo can then be passed around freely as a string
 
+	// Want performance? Store pointers!
+	c.Set("foo", &MyStruct, cache.DefaultExpiration)
+	if x, found := c.Get("foo"); found {
+		foo := x.(*MyStruct)
+			// ...
 	}
+
+	// If you store a reference type like a pointer, slice, map or channel, you
+	// do not need to run Set if you modify the underlying data. The cached
+	// reference points to the same memory, so if you modify a struct whose
+	// pointer you've stored in the cache, retrieving that pointer with Get will
+	// point you to the same data:
+	foo := &MyStruct{Num: 1}
+	c.Set("foo", foo, cache.DefaultExpiration)
+	// ...
+	x, _ := c.Get("foo")
+	foo := x.(*MyStruct)
+	fmt.Println(foo.Num)
+	// ...
+	foo.Num++
+	// ...
+	x, _ := c.Get("foo")
+	foo := x.(*MyStruct)
+	foo.Println(foo.Num)
+
+	// will print:
+	// 1
+	// 2
+
+}
 ```
 
 ### Reference