From c46d8bdf95c9a2025ee943feb208102a94b25ee6 Mon Sep 17 00:00:00 2001 From: mo8it Date: Wed, 26 Jun 2024 15:44:33 +0200 Subject: errors3 solution --- exercises/13_error_handling/errors3.rs | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) (limited to 'exercises/13_error_handling') diff --git a/exercises/13_error_handling/errors3.rs b/exercises/13_error_handling/errors3.rs index 2ef84f9..33a7b87 100644 --- a/exercises/13_error_handling/errors3.rs +++ b/exercises/13_error_handling/errors3.rs @@ -4,6 +4,17 @@ use std::num::ParseIntError; +// Don't change this function. +fn total_cost(item_quantity: &str) -> Result { + let processing_fee = 1; + let cost_per_item = 5; + let qty = item_quantity.parse::()?; + + Ok(qty * cost_per_item + processing_fee) +} + +// TODO: Fix the compiler error by changing the signature and body of the +// `main` function. fn main() { let mut tokens = 100; let pretend_user_input = "8"; @@ -14,14 +25,6 @@ fn main() { println!("You can't afford that many!"); } else { tokens -= cost; - println!("You now have {} tokens.", tokens); + println!("You now have {tokens} tokens."); } } - -fn total_cost(item_quantity: &str) -> Result { - let processing_fee = 1; - let cost_per_item = 5; - let qty = item_quantity.parse::()?; - - Ok(qty * cost_per_item + processing_fee) -} -- cgit v1.2.3