progress

exercises/034_quiz4.zig

@@ -14,7 +14,7 @@ pub fn main(init: std.process.Init) !void {
     var stdout_writer = std.Io.File.stdout().writer(io, &.{});
     const stdout = &stdout_writer.interface;
 
-    const my_num: u32 = getNumber();
+    const my_num: u32 = try getNumber();
 
     try stdout.print("my_num={}\n", .{my_num});
 }

exercises/035_enums.zig

@@ -20,7 +20,7 @@
 const std = @import("std");
 
 // Please complete the enum!
-const Ops = enum { ??? };
+const Ops = enum { inc, dec, pow };
 
 pub fn main() void {
     const operations = [_]Ops{

exercises/036_enums2.zig

@@ -31,7 +31,7 @@ const std = @import("std");
 const Color = enum(u32) {
     red = 0xff0000,
     green = 0x00ff00,
-    blue = ???,
+    blue = 0x0000ff,
 };
 
 pub fn main() void {
@@ -53,12 +53,12 @@ pub fn main() void {
         \\<p>
         \\  <span style="color: #{x:0>6}">Red</span>
         \\  <span style="color: #{x:0>6}">Green</span>
-        \\  <span style="color: #{}">Blue</span>
+        \\  <span style="color: #{x:0>6}">Blue</span>
         \\</p>
         \\
     , .{
         @intFromEnum(Color.red),
         @intFromEnum(Color.green),
-        @intFromEnum(???), // Oops! We're missing something!
+        @intFromEnum(Color.blue), // Oops! We're missing something!
     });
 }

exercises/037_structs.zig

@@ -36,6 +36,7 @@ const Character = struct {
     role: Role,
     gold: u32,
     experience: u32,
+    health: u8,
 };
 
 pub fn main() void {
@@ -44,6 +45,7 @@ pub fn main() void {
         .role = Role.wizard,
         .gold = 20,
         .experience = 10,
+        .health = 100,
     };
 
     // Glorp gains some gold.

exercises/038_structs2.zig

@@ -43,6 +43,13 @@ pub fn main() void {
     // Feel free to run this program without adding Zump. What does
     // it do and why?
 
+    chars[1] = Character{
+        .role = Role.bard,
+        .gold = 10,
+        .health = 100,
+        .experience = 20,
+    };
+
     // Printing all RPG characters in a loop:
     for (chars, 0..) |c, num| {
         std.debug.print("Character {} - G:{} H:{} XP:{}\n", .{

exercises/039_pointers.zig

@@ -30,7 +30,7 @@ pub fn main() void {
 
     // Please make num2 equal 5 using num1_pointer!
     // (See the "cheatsheet" above for ideas.)
-    num2 = ???;
+    num2 = num1_pointer.*;
 
     std.debug.print("num1: {}, num2: {}\n", .{ num1, num2 });
 }

exercises/040_pointers2.zig

@@ -23,7 +23,7 @@ const std = @import("std");
 
 pub fn main() void {
     const a: u8 = 12;
-    const b: *u8 = &a; // fix this!
+    const b: *const u8 = &a; // fix this!
 
     std.debug.print("a: {}, b: {}\n", .{ a, b.* });
 }