Solves a warning

Caul58 · Mar 30, 2024 · 32ba519 · 32ba519
1 parent de8d134
commit 32ba519
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Challenges2022.playground/Pages/Challenge#15.xcplaygroundpage/Contents.swift b/Challenges2022.playground/Pages/Challenge#15.xcplaygroundpage/Contents.swift
@@ -21,7 +21,7 @@ enum CustomError: Error {
 
 func daysBetween(date1: String, date2: String) throws -> Int {
 
-    var formatter = DateFormatter()
+    let formatter = DateFormatter()
     formatter.dateFormat = "dd/MM/yyyy"
 
     let strongFormat = try! Regex("^(([0-9]){2}[/]){2}([0-9]){4}$")