Merge pull request #1949 from rust-lang/third-party-exercises

Support for third-party exercises

1 files changed, 4 insertions, 5 deletions

diff --git a/exercises/13_error_handling/errors2.rs b/exercises/13_error_handling/errors2.rs
index 88d1bf4..e39aa95 100644
--- a/exercises/13_error_handling/errors2.rs
+++ b/exercises/13_error_handling/errors2.rs
@@ -1,5 +1,3 @@
-// errors2.rs
-//
 // Say we're writing a game where you can buy items with tokens. All items cost
 // 5 tokens, and whenever you purchase items there is a processing fee of 1
 // token. A player of the game will type in how many items they want to buy, and
@@ -15,9 +13,6 @@
 //
 // There are at least two ways to implement this that are both correct-- but one
 // is a lot shorter!
-//
-// Execute `rustlings hint errors2` or use the `hint` watch subcommand for a
-// hint.
 
 use std::num::ParseIntError;
 
@@ -29,6 +24,10 @@ pub fn total_cost(item_quantity: &str) -> Result<i32, ParseIntError> {
     Ok(qty * cost_per_item + processing_fee)
 }
 
+fn main() {
+    // You can optionally experiment here.
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;