Apply `zig fmt` to exercises

1 files changed, 5 insertions, 5 deletions

diff --git a/exercises/21_errors.zig b/exercises/21_errors.zig
index 7714c4b..cbb5ac8 100644
--- a/exercises/21_errors.zig
+++ b/exercises/21_errors.zig
@@ -4,7 +4,7 @@
 // In Zig, an error is a value. Errors are named so we can identify
 // things that can go wrong. Errors are created in "error sets", which
 // are just a collection of named errors.
-// 
+//
 // We have the start of an error set, but we're missing the condition
 // "TooSmall". Please add it where needed!
 const MyNumberError = error{
@@ -16,13 +16,13 @@ const MyNumberError = error{
 const std = @import("std");
 
 pub fn main() void {
-    var nums = [_]u8{2,3,4,5,6};
+    var nums = [_]u8{ 2, 3, 4, 5, 6 };
 
     for (nums) |n| {
         std.debug.print("{}", .{n});
 
         const number_error = numberFail(n);
-        
+
         if (number_error == MyNumberError.TooBig) {
             std.debug.print(">4. ", .{});
         }
@@ -40,7 +40,7 @@ pub fn main() void {
 // Notice how this function can return any member of the MyNumberError
 // error set.
 fn numberFail(n: u8) MyNumberError {
-    if(n > 4) return MyNumberError.TooBig;
-    if(n < 4) return MyNumberError.TooSmall; // <---- this one is free!
+    if (n > 4) return MyNumberError.TooBig;
+    if (n < 4) return MyNumberError.TooSmall; // <---- this one is free!
     return MyNumberError.TooFour;
 }