021

exercises/021_errors.zig

@@ -8,39 +8,40 @@
 // We have the start of an error set, but we're missing the condition
 // "TooSmall". Please add it where needed!
 const MyNumberError = error{
-    TooBig,
-    ???,
-    TooFour,
+  TooBig,
+  TooSmall,
+  TooFour,
 };
 
 const std = @import("std");
 
 pub fn main() void {
-    const 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. ", .{});
-        }
-        if (???) {
-            std.debug.print("<4. ", .{});
-        }
-        if (number_error == MyNumberError.TooFour) {
-            std.debug.print("=4. ", .{});
-        }
+  const 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. ", .{});
     }
-
-    std.debug.print("\n", .{});
+    if(number_error == MyNumberError.TooSmall){
+      std.debug.print("<4. ", .{});
+    }
+    if(number_error == MyNumberError.TooFour){
+      std.debug.print("=4. ", .{});
+    }
+  }
+  
+  std.debug.print("\n", .{});
 }
 
 // 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!
-    return MyNumberError.TooFour;
+fn numberFail(n: u8) MyNumberError{
+  if(n > 4){ return MyNumberError.TooBig; }
+  if(n < 4){ return MyNumberError.TooSmall; } // <---- this one is free!
+  return MyNumberError.TooFour;
 }
+