[aoc/2021/*/*.zig] Signal errors explicitly

3 files changed, 3 insertions, 3 deletions

diff --git a/aoc/2021/03/part-one.zig b/aoc/2021/03/part-one.zig
index 6088925..0366434 100644
--- a/aoc/2021/03/part-one.zig
+++ b/aoc/2021/03/part-one.zig
@@ -4,7 +4,7 @@ const input = @embedFile("input");
 const mean = @splat(12, @as(u16, '0' * 1000 + 500));
 const pos = @Vector(12, u4){ 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
 
-pub fn main() !void {
+pub fn main() void {
     var sum = @splat(12, @as(u16, 0));
     var i = @as(usize, 0);
     while (i < input.len) : (i += 13) {
diff --git a/aoc/2021/08/part-one.zig b/aoc/2021/08/part-one.zig
index 0a9ad93..9f879e8 100644
--- a/aoc/2021/08/part-one.zig
+++ b/aoc/2021/08/part-one.zig
@@ -2,7 +2,7 @@ const print = std.debug.print;
 const std = @import("std");
 const tokenize = std.mem.tokenize;
 
-pub fn main() !void {
+pub fn main() void {
     var count: usize = 0;
     defer print("{}\n", .{ count });
 
diff --git a/aoc/2021/08/part-two.zig b/aoc/2021/08/part-two.zig
index 294e769..ae8bf09 100644
--- a/aoc/2021/08/part-two.zig
+++ b/aoc/2021/08/part-two.zig
@@ -17,7 +17,7 @@ const digits = [_]u7{
     //8687497
 };
 
-pub fn main() !void {
+pub fn main() void {
     var sum: usize = 0;
     defer print("{}\n", .{ sum });