doc: add example and update doc for formatter package

2026-02-11 16:22:26 +08:00 · 2023-01-02 15:35:09 +08:00
parent 6d57891f66
commit 64d5486cc6
5 changed files with 70 additions and 49 deletions
--- a/formatter/formatter_example_test.go
+++ b/formatter/formatter_example_test.go
@@ -0,0 +1,18 @@
+package formatter
+
+import "fmt"
+
+func ExampleComma() {
+	result1 := Comma("123", "")
+	result2 := Comma("12345", "$")
+	result3 := Comma(1234567, "￥")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+
+	// Output:
+	// 123
+	// $12,345
+	// ￥1,234,567
+}