From 858e1e71e77b42e8b21a537b27c619bc0b99e21d Mon Sep 17 00:00:00 2001
From: Alexander Launi <alex.launi@gmail.com>
Date: Sat, 21 Mar 2020 16:08:56 -0400
Subject: [PATCH] Add recursive countdown example in Rust

---
 03_recursion/rust/01_countdown/.gitignore  | 10 ++++++++++
 03_recursion/rust/01_countdown/Cargo.toml  |  9 +++++++++
 03_recursion/rust/01_countdown/src/main.rs | 12 ++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 03_recursion/rust/01_countdown/.gitignore
 create mode 100644 03_recursion/rust/01_countdown/Cargo.toml
 create mode 100644 03_recursion/rust/01_countdown/src/main.rs

diff --git a/03_recursion/rust/01_countdown/.gitignore b/03_recursion/rust/01_countdown/.gitignore
new file mode 100644
index 0000000..088ba6b
--- /dev/null
+++ b/03_recursion/rust/01_countdown/.gitignore
@@ -0,0 +1,10 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
diff --git a/03_recursion/rust/01_countdown/Cargo.toml b/03_recursion/rust/01_countdown/Cargo.toml
new file mode 100644
index 0000000..076bdcd
--- /dev/null
+++ b/03_recursion/rust/01_countdown/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "countdown"
+version = "0.1.0"
+authors = ["Alexander Launi <alex.launi@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/03_recursion/rust/01_countdown/src/main.rs b/03_recursion/rust/01_countdown/src/main.rs
new file mode 100644
index 0000000..2fdb117
--- /dev/null
+++ b/03_recursion/rust/01_countdown/src/main.rs
@@ -0,0 +1,12 @@
+fn countdown(i: u32) {
+    println!("{}", i);
+    if i == 0 {
+        return
+    }
+
+   countdown(i - 1);
+}
+
+fn main() {
+    countdown(5);
+}