template.

days/template/part2.zig

@@ -0,0 +1,13 @@
+const lib = @import("lib.zig");
+const std = @import("std");
+
+pub fn part2(comptime input: []const u8) i32 {
+    return input.len;
+}
+
+test "part2 sample" {
+    const input =
+        \\0
+    ;
+    try std.testing.expectEqual(part2(input), 1);
+}