Add twelve days of christmas

twelve_days_of_christmas/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "twelve_days_of_christmas"
+version = "0.1.0"
+authors = ["laurens <miers132@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

twelve_days_of_christmas/src/main.rs

@@ -0,0 +1,71 @@
+struct ChristmasDay {
+    day: String,
+    gift: String,
+}
+
+fn main() {
+    let christmas_days: [ChristmasDay; 12] = [
+        ChristmasDay {
+            day: "first".to_string(),
+            gift: "a Partridge in a Pear Tree".to_string(),
+        },
+        ChristmasDay {
+            day: "second".to_string(),
+            gift: "Two Turtle Doves".to_string(),
+        },
+        ChristmasDay {
+            day: "third".to_string(),
+            gift: "Three French Hens".to_string(),
+        },
+        ChristmasDay {
+            day: "fourth".to_string(),
+            gift: "Four Calling Birds".to_string(),
+        },
+        ChristmasDay {
+            day: "fifth".to_string(),
+            gift: "Five Goldon Rings".to_string(),
+        },
+        ChristmasDay {
+            day: "sixth".to_string(),
+            gift: "Six Geese a Laying".to_string(),
+        },
+        ChristmasDay {
+            day: "seventh".to_string(),
+            gift: "Sevens Swans a Swimming".to_string(),
+        },
+        ChristmasDay {
+            day: "eigth".to_string(),
+            gift: "Eight Maids a Milking".to_string(),
+        },
+        ChristmasDay {
+            day: "ninth".to_string(),
+            gift: "Nine Ladies Dancing".to_string(),
+        },
+        ChristmasDay {
+            day: "tenth".to_string(),
+            gift: "Ten Lords a Leaping".to_string(),
+        },
+        ChristmasDay {
+            day: "eleventh".to_string(),
+            gift: "Eleven Pipers Piping".to_string(),
+        },
+        ChristmasDay {
+            day: "twelfth".to_string(),
+            gift: "12 Drummers Drumming".to_string(),
+        },
+    ];
+
+    for (i, elem) in christmas_days.iter().enumerate() {
+        println!();
+        println!(
+            "On the {} day of Christmas, my true love sent to me:",
+            elem.day
+        );
+        for j in (0..i + 1).rev() {
+            if j == 0 && i > 0 {
+                print!("And ");
+            }
+            println!("{}", christmas_days[j].gift);
+        }
+    }
+}