From 8861ce0b8ee651d939c529177443e2dbd9ea0720 Mon Sep 17 00:00:00 2001
From: Adam Millerchip <adam@millerchip.net>
Date: Fri, 12 Aug 2022 01:31:10 +0900
Subject: [PATCH] no need to return error union

---
 2020/zig/src/day02.zig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/2020/zig/src/day02.zig b/2020/zig/src/day02.zig
index a78c0fc..cb131b4 100644
--- a/2020/zig/src/day02.zig
+++ b/2020/zig/src/day02.zig
@@ -34,7 +34,7 @@ fn parse() ![]Rule {
     return rules.toOwnedSlice();
 }
 
-fn part1(rules: []Rule) !u16 {
+fn part1(rules: []Rule) u16 {
     var valid_pw_count: u16 = 0;
     for (rules) |rule| {
         var count: u8 = 0;
@@ -49,7 +49,7 @@ fn part1(rules: []Rule) !u16 {
     return valid_pw_count;
 }
 
-fn part2(rules: []Rule) !u16 {
+fn part2(rules: []Rule) u16 {
     var valid_pw_count: u16 = 0;
     for (rules) |rule| {
         const a_match = rule.password[rule.a-1] == rule.char;