From 85d2de5157908ef3d011375e30b928220260110b Mon Sep 17 00:00:00 2001
From: Xuanwo <github@xuanwo.io>
Date: Thu, 25 Jan 2024 19:10:29 +0800
Subject: [PATCH] docs: Polish README (#3)

Signed-off-by: Xuanwo <github@xuanwo.io>
---
 README.md | 37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 851938a..f7f4cfc 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,42 @@
 
 ## Quick Start
 
-TODO
+Init client with `HickoryResolver`.
+
+```rust
+use std::sync::Arc;
+
+use reqwest::ClientBuilder;
+use reqwest_hickory_resolver::HickoryResolver;
+
+fn init_with_hickory_resolver() -> reqwest::Result<()> {
+    let mut builder = ClientBuilder::new();
+    builder = builder.dns_resolver(Arc::new(HickoryResolver::default()));
+    builder.build()?;
+    Ok(())
+}
+```
+
+
+HickoryResolver has cache support, we can share the same resolver across different client
+for better performance.
+
+```
+use std::sync::Arc;
+use once_cell::sync::Lazy;
+use reqwest::ClientBuilder;
+use reqwest_hickory_resolver::HickoryResolver;
+
+static GLOBAL_RESOLVER: Lazy<Arc<HickoryResolver>> =
+    Lazy::new(|| Arc::new(HickoryResolver::default()));
+    
+fn init_with_hickory_resolver() -> reqwest::Result<()> {
+    let mut builder = ClientBuilder::new();
+    builder = builder.dns_resolver(GLOBAL_RESOLVER.clone());
+    builder.build()?;
+    Ok(())
+}
+```
 
 ## Contributing