diff options
| -rw-r--r-- | exercises/18_iterators/iterators4.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/exercises/18_iterators/iterators4.rs b/exercises/18_iterators/iterators4.rs index 8381dbb..c296f0e 100644 --- a/exercises/18_iterators/iterators4.rs +++ b/exercises/18_iterators/iterators4.rs @@ -1,5 +1,8 @@ fn factorial(num: u64) -> u64 { - // TODO: Complete this function to return the factorial of `num`. + // TODO: Complete this function to return the factorial of `num` which is + // defined as `1 * 2 * 3 * … * num`. + // https://en.wikipedia.org/wiki/Factorial + // // Do not use: // - early returns (using the `return` keyword explicitly) // Try not to use: |