Merge branch 'main' into exercise_060_f80

exercises/042_pointers4.zig

@@ -17,7 +17,7 @@ pub fn main() void {
     var num: u8 = 1;
     var more_nums = [_]u8{ 1, 1, 1, 1 };
 
-    // Let's pass a reference to num to our function and print it:
+    // Let's pass the num reference to our function and print it:
     makeFive(&num);
     std.debug.print("num: {}, ", .{num});
 

exercises/064_builtins.zig

@@ -38,14 +38,12 @@ pub fn main() void {
     // Let's try it with a tiny 4-bit integer size to make it clear:
     const a: u4 = 0b1101;
     const b: u4 = 0b0101;
-    var my_result: u4 = undefined;
-    var overflowed: bool = undefined;
-    overflowed = @addWithOverflow(u4, a, b, &my_result);
+    const my_result = @addWithOverflow(a, b);
 
     // Check out our fancy formatting! b:0>4 means, "print
     // as a binary number, zero-pad right-aligned four digits."
     // The print() below will produce: "1101 + 0101 = 0010 (true)".
-    print("{b:0>4} + {b:0>4} = {b:0>4} ({})", .{ a, b, my_result, overflowed });
+    print("{b:0>4} + {b:0>4} = {b:0>4} ({s})", .{ a, b, my_result[0], if (my_result[1] == 1) "true" else "false" });
 
     // Let's make sense of this answer. The value of 'b' in decimal is 5.
     // Let's add 5 to 'a' but go one by one and see where it overflows:

exercises/082_anonymous_structs3.zig

@@ -4,8 +4,8 @@
 //
 //     .{
 //         false,
-//         @as(u32, 15);
-//         @as(i64, 67.12);
+//         @as(u32, 15),
+//         @as(f64, 67.12)
 //     }
 //
 // We call these "tuples", which is a term used by many