1 files changed, 0 insertions, 88 deletions
diff --git a/rustlings/solutions/18_iterators/iterators3.rs b/rustlings/solutions/18_iterators/iterators3.rs
deleted file mode 100644
index 1d5d67f..0000000
--- a/rustlings/solutions/18_iterators/iterators3.rs
+++ /dev/null
@@ -1,88 +0,0 @@
-#[derive(Debug, PartialEq, Eq)]
-enum DivisionError {
-    // Example: 42 / 0
-    DivideByZero,
-    // Only case for `i64`: `i64::MIN / -1` because the result is `i64::MAX + 1`
-    IntegerOverflow,
-    // Example: 5 / 2 = 2.5
-    NotDivisible,
-}
-
-fn divide(a: i64, b: i64) -> Result<i64, DivisionError> {
-    if b == 0 {
-        return Err(DivisionError::DivideByZero);
-    }
-
-    if a == i64::MIN && b == -1 {
-        return Err(DivisionError::IntegerOverflow);
-    }
-
-    if a % b != 0 {
-        return Err(DivisionError::NotDivisible);
-    }
-
-    Ok(a / b)
-}
-
-fn result_with_list() -> Result<Vec<i64>, DivisionError> {
-    //                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-    let numbers = [27, 297, 38502, 81];
-    let division_results = numbers.into_iter().map(|n| divide(n, 27));
-    // Collects to the expected return type. Returns the first error in the
-    // division results (if one exists).
-    division_results.collect()
-}
-
-fn list_of_results() -> Vec<Result<i64, DivisionError>> {
-    //               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-    let numbers = [27, 297, 38502, 81];
-    let division_results = numbers.into_iter().map(|n| divide(n, 27));
-    // Collects to the expected return type.
-    division_results.collect()
-}
-
-fn main() {
-    // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_success() {
-        assert_eq!(divide(81, 9), Ok(9));
-        assert_eq!(divide(81, -1), Ok(-81));
-        assert_eq!(divide(i64::MIN, i64::MIN), Ok(1));
-    }
-
-    #[test]
-    fn test_divide_by_0() {
-        assert_eq!(divide(81, 0), Err(DivisionError::DivideByZero));
-    }
-
-    #[test]
-    fn test_integer_overflow() {
-        assert_eq!(divide(i64::MIN, -1), Err(DivisionError::IntegerOverflow));
-    }
-
-    #[test]
-    fn test_not_divisible() {
-        assert_eq!(divide(81, 6), Err(DivisionError::NotDivisible));
-    }
-
-    #[test]
-    fn test_divide_0_by_something() {
-        assert_eq!(divide(0, 81), Ok(0));
-    }
-
-    #[test]
-    fn test_result_with_list() {
-        assert_eq!(result_with_list().unwrap(), [1, 11, 1426, 3]);
-    }
-
-    #[test]
-    fn test_list_of_results() {
-        assert_eq!(list_of_results(), [Ok(1), Ok(11), Ok(1426), Ok(3)]);
-    }
-}