From 3c4c9c54c98142f114018bbbe4d0d96d63646a5b Mon Sep 17 00:00:00 2001
From: mokou <mokou@fastmail.com>
Date: Tue, 12 Jul 2022 15:18:05 +0200
Subject: feat: remove collections to hashmaps

---
 exercises/hashmaps/hashmaps2.rs | 81 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 exercises/hashmaps/hashmaps2.rs

(limited to 'exercises/hashmaps/hashmaps2.rs')

diff --git a/exercises/hashmaps/hashmaps2.rs b/exercises/hashmaps/hashmaps2.rs
new file mode 100644
index 0000000..1afb830
--- /dev/null
+++ b/exercises/hashmaps/hashmaps2.rs
@@ -0,0 +1,81 @@
+// hashmaps2.rs
+
+// A basket of fruits in the form of a hash map is given. The key
+// represents the name of the fruit and the value represents how many
+// of that particular fruit is in the basket. You have to put *MORE
+// THAN 11* fruits in the basket. Three types of fruits - Apple (4),
+// Mango (2) and Lychee (5) are already given in the basket. You are
+// not allowed to insert any more of these fruits!
+//
+// Make me pass the tests!
+//
+// Execute the command `rustlings hint hashmaps2` if you need
+// hints.
+
+// I AM NOT DONE
+
+use std::collections::HashMap;
+
+#[derive(Hash, PartialEq, Eq)]
+enum Fruit {
+    Apple,
+    Banana,
+    Mango,
+    Lychee,
+    Pineapple,
+}
+
+fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
+    let fruit_kinds = vec![
+        Fruit::Apple,
+        Fruit::Banana,
+        Fruit::Mango,
+        Fruit::Lychee,
+        Fruit::Pineapple,
+    ];
+
+    for fruit in fruit_kinds {
+        // TODO: Put new fruits if not already present. Note that you
+        // are not allowed to put any type of fruit that's already
+        // present!
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn get_fruit_basket() -> HashMap<Fruit, u32> {
+        let mut basket = HashMap::<Fruit, u32>::new();
+        basket.insert(Fruit::Apple, 4);
+        basket.insert(Fruit::Mango, 2);
+        basket.insert(Fruit::Lychee, 5);
+
+        basket
+    }
+
+    #[test]
+    fn test_given_fruits_are_not_modified() {
+        let mut basket = get_fruit_basket();
+        fruit_basket(&mut basket);
+        assert_eq!(*basket.get(&Fruit::Apple).unwrap(), 4);
+        assert_eq!(*basket.get(&Fruit::Mango).unwrap(), 2);
+        assert_eq!(*basket.get(&Fruit::Lychee).unwrap(), 5);
+    }
+
+    #[test]
+    fn at_least_five_types_of_fruits() {
+        let mut basket = get_fruit_basket();
+        fruit_basket(&mut basket);
+        let count_fruit_kinds = basket.len();
+        assert!(count_fruit_kinds >= 5);
+    }
+
+    #[test]
+    fn greater_than_eleven_fruits() {
+        let mut basket = get_fruit_basket();
+        fruit_basket(&mut basket);
+        let count = basket.values().sum::<u32>();
+        assert!(count > 11);
+    }
+}
-- 
cgit v1.2.3


From ab8572e15bf6765471490281ba2a1c8f88275e40 Mon Sep 17 00:00:00 2001
From: mokou <mokou@fastmail.com>
Date: Thu, 14 Jul 2022 12:58:28 +0200
Subject: fix(hashmaps): adjust hint comments

---
 exercises/hashmaps/hashmaps1.rs | 3 +--
 exercises/hashmaps/hashmaps2.rs | 3 +--
 exercises/hashmaps/hashmaps3.rs | 3 +--
 3 files changed, 3 insertions(+), 6 deletions(-)

(limited to 'exercises/hashmaps/hashmaps2.rs')

diff --git a/exercises/hashmaps/hashmaps1.rs b/exercises/hashmaps/hashmaps1.rs
index 26178b0..fd8dd2f 100644
--- a/exercises/hashmaps/hashmaps1.rs
+++ b/exercises/hashmaps/hashmaps1.rs
@@ -8,8 +8,7 @@
 //
 // Make me compile and pass the tests!
 //
-// Execute the command `rustlings hint hashmaps1` if you need
-// hints.
+// Execute `rustlings hint hashmaps1` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
diff --git a/exercises/hashmaps/hashmaps2.rs b/exercises/hashmaps/hashmaps2.rs
index 1afb830..454b3e1 100644
--- a/exercises/hashmaps/hashmaps2.rs
+++ b/exercises/hashmaps/hashmaps2.rs
@@ -9,8 +9,7 @@
 //
 // Make me pass the tests!
 //
-// Execute the command `rustlings hint hashmaps2` if you need
-// hints.
+// Execute `rustlings hint hashmaps2` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
diff --git a/exercises/hashmaps/hashmaps3.rs b/exercises/hashmaps/hashmaps3.rs
index 60293f2..18dd44c 100644
--- a/exercises/hashmaps/hashmaps3.rs
+++ b/exercises/hashmaps/hashmaps3.rs
@@ -12,8 +12,7 @@
 
 // Make me pass the tests!
 
-// Execute the command `rustlings hint hashmap3` if you need
-// hints.
+// Execute `rustlings hint hashmaps3` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
-- 
cgit v1.2.3