[feat] pad2str

0xVanfer · Jan 12, 2024 · c33ee4c · c33ee4c
1 parent 7deef6a
commit c33ee4c
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Showing 2 changed files with 27 additions and 0 deletions.
diff --git a/strings.go b/strings.go
@@ -142,3 +142,24 @@ func StrCamel2Underline(str string) string {
 	}
 	return result.String()
 }
+
+// Fill the string to a certain length.
+//
+// Example:
+//
+//	PadToLength("xx", 5, "-") = "xx---"
+func PadToLength(str string, length int, fillWith ...string) string {
+	fill := " "
+	if len(fillWith) == 1 {
+		fill = fillWith[0]
+	}
+
+	if len(str) >= length {
+		return str
+	}
+
+	for len(str) < length {
+		str += fill
+	}
+	return str
+}
diff --git a/strings_test.go b/strings_test.go
@@ -49,3 +49,9 @@ func ExampleStrCamel2Underline() {
 	// a
 	// b_a_scccc_s_s
 }
+
+func ExamplePadToLength() {
+	fmt.Println(PadToLength("xx", 5, "-"))
+	// Output:
+	// xx---
+}