Add rust version

rust/.gitignore

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+target/

rust/Cargo.lock

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+[root]
+name = "rust"
+version = "0.1.0"
+

rust/Cargo.toml

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+[package]
+name = "rust"
+version = "0.1.0"
+authors = ["Michael Gerhaeuser <michael.gerhaeuser@gmail.com>"]

rust/src/gildedrose/mod.rs

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+use std::string;
+use std::vec;
+
+pub struct Item {
+    pub name: string::String,
+    pub sell_in: i32,
+    pub quality: i32
+}
+
+impl Item {
+    pub fn new(name: String, sell_in: i32, quality: i32) -> Item {
+        Item {name: name, sell_in: sell_in, quality: quality}
+    }
+}
+
+pub struct GildedRose {
+    pub items: vec::Vec<Item>
+}
+
+impl GildedRose {
+    pub fn new(items: vec::Vec<Item>) -> GildedRose {
+        GildedRose {items: items}
+    }
+
+    pub fn update_quality(&mut self) {
+        for item in &mut self.items {
+            if item.name != "Aged Brie" && item.name != "Backstage passes to a TAFKAL80ETC concert" {
+                if item.quality > 0 {
+                    if item.name != "Sulfuras, Hand of Ragnaros" {
+                        item.quality = item.quality - 1;
+                    }
+                }
+            } else {
+                if item.quality < 50
+                {
+                    item.quality = item.quality + 1;
+
+                    if item.name == "Backstage passes to a TAFKAL80ETC concert" {
+                        if item.sell_in < 11 {
+                            if item.quality < 50 {
+                                item.quality = item.quality + 1;
+                            }
+                        }
+
+                        if item.sell_in < 6 {
+                            if item.quality < 50 {
+                                item.quality = item.quality + 1;
+                            }
+                        }
+                    }
+                }
+            }
+
+            if item.name != "Sulfuras, Hand of Ragnaros" {
+                item.sell_in = item.sell_in - 1;
+            }
+
+            if item.sell_in < 0 {
+                if item.name != "Aged Brie" {
+                    if item.name != "Backstage passes to a TAFKAL80ETC concert" {
+                        if item.quality > 0 {
+                            if item.name != "Sulfuras, Hand of Ragnaros" {
+                                item.quality = item.quality - 1;
+                            }
+                        }
+                    } else {
+                        item.quality = item.quality - item.quality;
+                    }
+                } else {
+                    if item.quality < 50 {
+                        item.quality = item.quality + 1;
+                    }
+                }
+            }
+        }
+    }
+}
+
+#[cfg(test)]
+mod test;

rust/src/gildedrose/test.rs

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+use super::{Item, GildedRose};
+
+#[test]
+pub fn foo() {
+    let items = vec![Item::new(String::from("foo"), 0, 0)];
+    let mut rose = GildedRose::new(items);
+    rose.update_quality();
+
+    assert_eq!("fixme", rose.items[0].name);
+}

rust/src/main.rs

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+
+mod gildedrose;
+
+use gildedrose::{Item, GildedRose};
+
+fn main() {
+    let items = vec![
+        Item::new(String::from("+5 Dexterity Vest"), 10, 20),
+        Item::new(String::from("Aged Brie"), 2, 0),
+        Item::new(String::from("Elixir of the Mongoose"), 5, 7),
+        Item::new(String::from("Sulfuras, Hand of Ragnaros"), 0, 80),
+        Item::new(String::from("Sulfuras, Hand of Ragnaros"), -1, 80),
+        Item::new(String::from("Backstage passes to a TAFKAL80ETC concert"), 15, 20),
+        Item::new(String::from("Backstage passes to a TAFKAL80ETC concert"), 10, 49),
+        Item::new(String::from("Backstage passes to a TAFKAL80ETC concert"), 5, 49),
+        // this conjured item does not work properly yet
+        Item::new(String::from("Conjured Mana Cake"), 3, 6)
+    ];
+    let mut rose = GildedRose::new(items);
+
+    println!("OMGHAI!");
+    for i in (0..30) {
+        println!("-------- day {} --------", i);
+        println!("name, sellIn, quality");
+        for item in &rose.items {
+            println!("{}, {}, {}", item.name, item.sell_in, item.quality);
+        }
+        println!("");
+        rose.update_quality();
+    }
+}