"999 is enough for anybody" triple-zero padding (#18)

When I hit 999 exercises, I will finally have reached the ultimate
state of soteriological release and no more exercises will be needed.
The cycle will be complete. All that will be left is perfect quietude,
freedom, and highest happiness.

1 files changed, 23 insertions, 0 deletions

diff --git a/exercises/026_hello2.zig b/exercises/026_hello2.zig
new file mode 100644
index 0000000..237d27c
--- /dev/null
+++ b/exercises/026_hello2.zig
@@ -0,0 +1,23 @@
+//
+// Great news! Now we know enough to understand a "real" Hello World
+// program in Zig - one that uses the system Standard Out resource...which
+// can fail!
+//
+const std = @import("std");
+
+// Take note that this main() definition now returns "!void" rather
+// than just "void". Since there's no specific error type, this means
+// that Zig will infer the error type. This is appropriate in the case
+// of main(), but can have consequences elsewhere.
+pub fn main() !void {
+
+    // We get a Writer for Standard Out so we can print() to it.
+    const stdout = std.io.getStdOut().writer();
+
+    // Unlike std.debug.print(), the Standard Out writer can fail
+    // with an error. We don't care _what_ the error is, we want
+    // to be able to pass it up as a return value of main().
+    //
+    // We just learned of a single statement which can accomplish this.
+    stdout.print("Hello world!\n", .{});
+}