diff options
| author | Hunter Kvalevog <hunter@kvog.sh> | 2026-10-02 21:53:51 -0500 |
|---|---|---|
| committer | Hunter Kvalevog <hunter@kvog.sh> | 2026-10-02 21:53:51 -0500 |
| commit | 4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 (patch) | |
| tree | 17ba62056d6b691dd0217b0e8f1b3a5826dce0f6 /rustlings/exercises/13_error_handling/errors3.rs | |
| parent | 02d8f1c62896576e1266553a56980eddbc2a88d7 (diff) | |
rustlings: move to rust/
Diffstat (limited to 'rustlings/exercises/13_error_handling/errors3.rs')
| -rw-r--r-- | rustlings/exercises/13_error_handling/errors3.rs | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/rustlings/exercises/13_error_handling/errors3.rs b/rustlings/exercises/13_error_handling/errors3.rs deleted file mode 100644 index bf21bbc..0000000 --- a/rustlings/exercises/13_error_handling/errors3.rs +++ /dev/null @@ -1,33 +0,0 @@ -// This is a program that is trying to use a completed version of the -// `total_cost` function from the previous exercise. It's not working though! -// Why not? What should we do to fix it? - -use std::num::ParseIntError; - -// Don't change this function. -fn total_cost(item_quantity: &str) -> Result<i32, ParseIntError> { - let processing_fee = 1; - let cost_per_item = 5; - let qty = item_quantity.parse::<i32>()?; - - Ok(qty * cost_per_item + processing_fee) -} - -// TODO: Fix the compiler error by changing the signature and body of the -// `main` function. -fn main() -> Result<(), ParseIntError> { - let mut tokens = 100; - let pretend_user_input = "8"; - - // Don't change this line. - let cost = total_cost(pretend_user_input)?; - - if cost > tokens { - println!("You can't afford that many!"); - } else { - tokens -= cost; - println!("You now have {tokens} tokens."); - } - - Ok(()) -} |