From 00d333acac4462192af2c9d6172f8910b9aa78ec Mon Sep 17 00:00:00 2001
From: lareii <lareii@proton.me>
Date: Wed, 26 Jul 2023 15:35:02 +0300
Subject: [PATCH] add reverse string algorithm

---
 README.md           | 1 +
 string/reverse.jule | 9 +++++++++
 test.jule           | 5 +++++
 3 files changed, 15 insertions(+)
 create mode 100644 string/reverse.jule

diff --git a/README.md b/README.md
index 9c7d2a9..63bf30a 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ Algorithms and data structures implemented in the Jule programming language.
   - [Is Digit](./string/is_digit.jule)
   - [Lower Case](./string/lower_case.jule)
   - [Upper Case](./string/upper_case.jule)
+  - [Reverse](./string/reverse.jule)
 
 ## Contributing
 
diff --git a/string/reverse.jule b/string/reverse.jule
new file mode 100644
index 0000000..8af3df1
--- /dev/null
+++ b/string/reverse.jule
@@ -0,0 +1,9 @@
+pub fn reverse(mut string: str): str {
+    let mut i: uint = 0
+
+    for i < string.len/2; i++ {
+        string[i], string[string.len-i-1] = string[string.len-i-1], string[i]
+    }
+
+    ret string
+}
\ No newline at end of file
diff --git a/test.jule b/test.jule
index 693607b..3299299 100644
--- a/test.jule
+++ b/test.jule
@@ -15,6 +15,7 @@ use string::{
 	is_digit,
 	upper_case,
 	lower_case,
+	reverse,
 }
 
 static mut TESTS: TestStack = TestStack.new()
@@ -88,6 +89,10 @@ fn add_tests_string() {
 	TESTS.add("lower_case", fn(): bool {
 		ret lower_case("FOo") == "foo"
 	})
+
+	TESTS.add("reverse", fn(): bool {
+		ret reverse("FooBar") == "raBooF"
+	})
 }
 
 fn main() {