2 files changed, 56 insertions, 1 deletions
diff --git a/exercises/error_handling/errors1.rs b/exercises/error_handling/errors1.rs
index 0ba59a5..13d2724 100644
--- a/exercises/error_handling/errors1.rs
+++ b/exercises/error_handling/errors1.rs
@@ -3,7 +3,7 @@
 // This function refuses to generate text to be printed on a nametag if you pass
 // it an empty string. It'd be nicer if it explained what the problem was,
 // instead of just sometimes returning `None`. Thankfully, Rust has a similar
-// construct to `Option` that can be used to express error conditions. Let's use
+// construct to `Result` that can be used to express error conditions. Let's use
 // it!
 //
 // Execute `rustlings hint errors1` or use the `hint` watch subcommand for a
diff --git a/exercises/if/if3.rs b/exercises/if/if3.rs
new file mode 100644
index 0000000..73a7025
--- /dev/null
+++ b/exercises/if/if3.rs
@@ -0,0 +1,55 @@
+// if3.rs
+//
+// Execute `rustlings hint if3` or use the `hint` watch subcommand for a hint.
+
+// I AM NOT DONE
+
+pub fn animal_habitat(animal: &str) -> &'static str {
+    let identifier = if animal == "crab" {
+        1
+    } else if animal == "gopher" {
+        2.0
+    } else if animal == "snake" {
+        3
+    } else {
+        "Unknown"
+    };
+
+    // DO NOT CHANGE THIS STATEMENT BELOW
+    let habitat = if identifier == 1 {
+        "Beach"
+    } else if identifier == 2 {
+        "Burrow"
+    } else if identifier == 3 {
+        "Desert"
+    } else {
+        "Unknown"
+    };
+
+    habitat
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn gopher_lives_in_burrow() {
+        assert_eq!(animal_habitat("gopher"), "Burrow")
+    }
+
+    #[test]
+    fn snake_lives_in_desert() {
+        assert_eq!(animal_habitat("snake"), "Desert")
+    }
+
+    #[test]
+    fn crab_lives_on_beach() {
+        assert_eq!(animal_habitat("crab"), "Beach")
+    }
+
+    #[test]
+    fn unknown_animal() {
+        assert_eq!(animal_habitat("dinosaur"), "Unknown")
+    }
+}