diff --git a/common/common.go b/common/common.go
new file mode 100644
index 0000000..74f9975
--- /dev/null
+++ b/common/common.go
@@ -0,0 +1,10 @@
+package common
+
+// TernaryOperator if true return trueValue else return falseValue
+func TernaryOperator[T any](isTrue bool, trueValue T, falseValue T) T {
+	if isTrue {
+		return trueValue
+	} else {
+		return falseValue
+	}
+}
diff --git a/common/common_test.go b/common/common_test.go
new file mode 100644
index 0000000..71a02bf
--- /dev/null
+++ b/common/common_test.go
@@ -0,0 +1,14 @@
+package common
+
+import (
+	"github.com/duke-git/lancet/v2/internal"
+	"testing"
+)
+
+func TestTernaryOperator(t *testing.T) {
+	assert := internal.NewAssert(t, "TernaryOperator")
+	trueValue := "1"
+	falseValue := "0"
+
+	assert.Equal(trueValue, TernaryOperator(true, trueValue, falseValue))
+}