From 7ea9161d56e374da98b344d2ecb1d7e11b2de247 Mon Sep 17 00:00:00 2001
From: 1eedaegon <d8726243@gmail.com>
Date: Sat, 30 Mar 2024 01:54:45 +0900
Subject: [PATCH] docs: Update README for add and remove

---
 README.md       | 18 ++++++++++++++++++
 hashset_test.go |  6 ++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index c41b847..a2e02c3 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ A go library hashset for O(1)
 
 ## Example
 
+Initialize set and Add element
+
 ```go
 import (
 	...
@@ -15,6 +17,22 @@ import (
 	...
 )
 
+	s := hashset.New(1, 2, "3")
+	s.Add("3") // Since "3" already exists in the Set, its size remains 3.
+```
+
+Remove and Distinguish between different types
+
+```go
+import (
+	...
+	hashset "github.com/1eedaegon/go-hashset"
+	...
+)
+    s := hashset.New("1", "2", 3)
+	s.Remove("1")
+	s.Remove("multiple")
+	s.Remove("3") // The length of s is 2, because due to the difference in types.
 ```
 
 ## License
diff --git a/hashset_test.go b/hashset_test.go
index 1511c17..7a522d9 100644
--- a/hashset_test.go
+++ b/hashset_test.go
@@ -14,7 +14,6 @@ import (
  1. 추가
  2. 삭제
  3. 요소 확인
-
 1. 값의 중복이 없어야한다.
 2. slice가오면 set으로 변경되어야한다.
 3. set을 slice로 변경할 수 있어야한다.
@@ -22,7 +21,6 @@ import (
  1. intersection
  2. union
  3. difference
-
 5. 거의 모든타입 지원이 되어야한다.
 6. 같은 set에 대해 동시작업이 원자성을 보장받아야한다.
 */
@@ -35,6 +33,10 @@ func TestInitializeFromArguments(t *testing.T) {
 
 	s.Add("3") // It lengths is 3, because Set already has "3"
 	require.NotEqual(t, 4, s.Len())
+
+	s1 := New([]int{1, 2, 3})
+	require.Equal(t, 1, s1.Len()) // Not comparable type, just save pointer
+	require.False(t, s1.Contains(2))
 }
 
 // Basic operations: 1. Add element