1 files changed, 0 insertions, 44 deletions
diff --git a/rustlings/exercises/13_error_handling/errors4.rs b/rustlings/exercises/13_error_handling/errors4.rs
deleted file mode 100644
index e5f3d39..0000000
--- a/rustlings/exercises/13_error_handling/errors4.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-#[derive(PartialEq, Debug)]
-enum CreationError {
-    Negative,
-    Zero,
-}
-
-#[derive(PartialEq, Debug)]
-struct PositiveNonzeroInteger(u64);
-
-impl PositiveNonzeroInteger {
-    fn new(value: i64) -> Result<Self, CreationError> {
-        // TODO: This function shouldn't always return an `Ok`.
-        // Read the tests below to clarify what should be returned.
-        if value < 0 {
-            return Err(CreationError::Negative);
-        }
-        if value == 0 {
-            return Err(CreationError::Zero);
-        }
-        Ok(Self(value as u64))
-    }
-}
-
-fn main() {
-    // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_creation() {
-        assert_eq!(
-            PositiveNonzeroInteger::new(10),
-            Ok(PositiveNonzeroInteger(10)),
-        );
-        assert_eq!(
-            PositiveNonzeroInteger::new(-10),
-            Err(CreationError::Negative),
-        );
-        assert_eq!(PositiveNonzeroInteger::new(0), Err(CreationError::Zero));
-    }
-}