Update README.md

misyobun · Jan 25, 2020 · f43bdc0 · f43bdc0
1 parent 56a9284
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diff --git a/README.md b/README.md
@@ -4,6 +4,29 @@ MetaRod is a lightweight url meta data parser library.
 
 ![e5b4c37582a718534d2e83ea48cea18c](https://user-images.githubusercontent.com/509448/72453120-f123cf00-3801-11ea-8947-a1540f91b27e.gif)
 
+## Usage
+
+```
+ MetaRod().build("https://www.vagrantup.jp/entry/2020/01/08/012539").og(completion: { result in
+  // Do what you want to do with your meta data.
+ }) { error in
+  // Error
+ }
+```
+or 
+```
+ DispatchQueue.global().async {
+    do {
+      let result = try MetaRod().build("https://www.vagrantup.jp/entry/2020/01/08/012539").og()
+      DispatchQueue.main.async {           
+        // Do what you want to do with your meta data.                
+      }
+    } catch {
+      // Error     
+    }
+ }
+```
+
 ## Installation
 
 ### CocoaPods