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revival of the async-io functions

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Chris Boesch
2026-04-01 22:28:37 +02:00
parent 3056a2b544
commit 77d3b684cb
3 changed files with 123 additions and 90 deletions
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71
build.zig
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@@ -75,6 +75,8 @@ pub const Exercise = struct {
/// Hint to the user, why this has been skipped
skip_hint: ?[]const u8 = null,
timestamp: bool = false,
/// Returns the name of the main file with .zig stripped.
pub fn name(self: Exercise) []const u8 {
return std.fs.path.stem(self.main_file);
@@ -435,11 +437,30 @@ const ZiglingStep = struct {
result.stderr;
// Validate the output.
var exercise_output = self.exercise.output;
// Insert timestamp for exercise 84
if (self.exercise.timestamp) {
var ts_buf: [20]u8 = undefined;
const timestamp = std.fmt.bufPrint(&ts_buf, "{}", .{std.Io.Timestamp.now(io, .real).toSeconds()}) catch unreachable;
var buf: [100]u8 = undefined;
const prefix_len = 14;
const placeholder_len = 11;
@memcpy(buf[0..prefix_len], exercise_output[0..prefix_len]);
@memcpy(buf[prefix_len..][0..timestamp.len], timestamp);
const suffix = exercise_output[prefix_len + placeholder_len ..];
const suffix_dest_start = prefix_len + timestamp.len;
@memcpy(buf[suffix_dest_start..][0..suffix.len], suffix);
const total_len = prefix_len + timestamp.len + suffix.len;
exercise_output = buf[0..total_len];
}
// NOTE: exercise.output can never contain a CR character.
// See https://ziglang.org/documentation/master/#Source-Encoding.
const output = trimLines(b.allocator, raw_output) catch @panic("OOM");
const exercise_output = self.exercise.output;
if (!std.mem.eql(u8, output, self.exercise.output)) {
if (!std.mem.eql(u8, output, exercise_output)) {
const red = red_bold_text;
const reset = reset_text;
@@ -698,7 +719,7 @@ const exercises = [_]Exercise{
\\most part, you'll be taking directions from the Zig
\\compiler itself.)
\\
,
, // pay attention to the comma
},
.{
.main_file = "002_std.zig",
@@ -730,7 +751,7 @@ const exercises = [_]Exercise{
\\Ziggy played guitar
\\Jamming good with Andrew Kelley
\\And the Spiders from Mars
,
, // pay attention to the comma
.hint = "Please fix the lyrics!",
},
.{
@@ -867,7 +888,7 @@ const exercises = [_]Exercise{
\\ <span style="color: #00ff00">Green</span>
\\ <span style="color: #0000ff">Blue</span>
\\</p>
,
, // pay attention to the comma
.hint = "I'm feeling blue about this.",
},
.{
@@ -879,7 +900,7 @@ const exercises = [_]Exercise{
.output =
\\Character 1 - G:20 H:100 XP:10
\\Character 2 - G:10 H:100 XP:20
,
, // pay attention to the comma
},
.{
.main_file = "039_pointers.zig",
@@ -903,7 +924,7 @@ const exercises = [_]Exercise{
.output =
\\Wizard (G:10 H:100 XP:20)
\\ Mentor: Wizard (G:10000 H:100 XP:2340)
,
, // pay attention to the comma
},
.{
.main_file = "044_quiz5.zig",
@@ -947,7 +968,7 @@ const exercises = [_]Exercise{
.output =
\\Hand1: A 4 K 8
\\Hand2: 5 2 Q J
,
, // pay attention to the comma
},
.{
.main_file = "053_slices2.zig",
@@ -1043,7 +1064,10 @@ const exercises = [_]Exercise{
.main_file = "073_comptime8.zig",
.output = "My llama value is 25.",
},
.{ .main_file = "074_comptime9.zig", .output = "My llama value is 2.", .skip = false, .skip_hint = "This is actually correct as it is. :-)" },
.{
.main_file = "074_comptime9.zig",
.output = "My llama value is 2.",
},
.{
.main_file = "075_quiz8.zig",
.output = "Archer's Point--2->Bridge--1->Dogwood Grove--3->Cottage--2->East Pond--1->Fox Pond",
@@ -1078,7 +1102,7 @@ const exercises = [_]Exercise{
.main_file = "082_anonymous_structs3.zig",
.output =
\\"0"(bool):true "1"(bool):false "2"(i32):42 "3"(f32):3.141592
,
, // pay attention to the comma
.hint = "This one is a challenge! But you have everything you need.",
},
.{
@@ -1090,16 +1114,15 @@ const exercises = [_]Exercise{
// direct link: https://github.com/ziglang/zig/issues/6025
.{
.main_file = "084_async.zig",
.output = "foo() A",
.hint = "Read the facts. Use the facts.",
.skip = true,
.skip_hint = "async has not been implemented in the current compiler version.",
.output = "Current time: <timestamp>s since epoch",
.timestamp = true,
// .hint = "Read the facts. Use the facts.",
// .skip = true,
// .skip_hint = "async has not been implemented in the current compiler version.",
},
.{
.main_file = "085_async2.zig",
.output = "Hello async!",
.skip = true,
.skip_hint = "async has not been implemented in the current compiler version.",
.output = "Computing... the answer is: 42",
},
.{
.main_file = "086_async3.zig",
@@ -1145,7 +1168,7 @@ const exercises = [_]Exercise{
\\Ant is alive.
\\Bee visited 17 flowers.
\\Grasshopper hopped 32 meters.
,
, // pay attention to the comma
},
.{
.main_file = "093_hello_c.zig",
@@ -1221,7 +1244,7 @@ const exercises = [_]Exercise{
\\2. Bard (Gold: 11, XP: 17)
\\3. Bard (Gold: 5, XP: 55)
\\4. Warrior (Gold: 7392, XP: 21)
,
, // pay attention to the comma
},
.{
.main_file = "102_testing.zig",
@@ -1247,7 +1270,7 @@ const exercises = [_]Exercise{
\\and
\\despair
\\This little poem has 15 words!
,
, // pay attention to the comma
},
.{
.main_file = "104_threading.zig",
@@ -1261,7 +1284,7 @@ const exercises = [_]Exercise{
\\thread 1: finished.
\\thread 3: finished.
\\Zig is cool!
,
, // pay attention to the comma
},
.{
.main_file = "105_threading2.zig",
@@ -1276,7 +1299,7 @@ const exercises = [_]Exercise{
.output =
\\AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
\\Successfully Read 18 bytes: It's zigling time!
,
, // pay attention to the comma
},
.{
.main_file = "108_labeled_switch.zig",
@@ -1287,7 +1310,7 @@ const exercises = [_]Exercise{
.output =
\\Max difference (old fn): 0.014
\\Max difference (new fn): 0.014
,
, // pay attention to the comma
},
.{ .main_file = "110_quiz9.zig", .output =
\\Toggle pins with XOR on PORTB
@@ -1334,6 +1357,6 @@ const exercises = [_]Exercise{
\\
\\This is the end for now!
\\We hope you had fun and were able to learn a lot, so visit us again when the next exercises are available.
,
, // pay attention to the comma
},
};