From c7bb2a8cef18376a3237a3a8670230f69e444fc9 Mon Sep 17 00:00:00 2001
From: jatcwang <jatcwang@gmail.com>
Date: Mon, 5 Nov 2018 18:07:01 +0000
Subject: [PATCH 1/2] Improve smart constructor example

---
 README.md | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 04a628f..9eff235 100644
--- a/README.md
+++ b/README.md
@@ -165,10 +165,16 @@ Using `class` will not generate a smart constructor (no `apply` method). This al
 you to specify your own. Note that `new` never works for newtypes and will fail to compile.
 
 ```scala
-@newtype class N(a: A)
-object N {
-  def apply(a: A): N = ???
-}
+  @newtype class Id(val strValue: String)
+
+  object Id {
+    def apply(str: String): Either[String, Id] = {
+      if (str.isEmpty)
+        Left("Id cannot be empty")
+      else
+        Right(str.coerce)
+    }
+  }
 ```
 
 If you wish to generate an accessor method for your underlying value, you can define it as `val`

From 6b7f9b8c00c82380d5299c891929872e0b5ffd85 Mon Sep 17 00:00:00 2001
From: jatcwang <twang@mdsol.com>
Date: Mon, 5 Nov 2018 18:09:36 +0000
Subject: [PATCH 2/2] add import in example

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 9eff235..3a973de 100644
--- a/README.md
+++ b/README.md
@@ -165,6 +165,7 @@ Using `class` will not generate a smart constructor (no `apply` method). This al
 you to specify your own. Note that `new` never works for newtypes and will fail to compile.
 
 ```scala
+  import io.estatico.newtype.ops._
   @newtype class Id(val strValue: String)
 
   object Id {