From 9167038e92305fddcb91f3a4b6185a7aa9c55dbd Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sat, 27 Aug 2022 21:28:28 +0800
Subject: [PATCH] feat: add forfor.zig, optionals.zig

---
 single_files/forfor.zig    | 9 +++++++++
 single_files/optionals.zig | 7 +++++++
 2 files changed, 16 insertions(+)
 create mode 100644 single_files/forfor.zig
 create mode 100644 single_files/optionals.zig

diff --git a/single_files/forfor.zig b/single_files/forfor.zig
new file mode 100644
index 0000000..8e41d54
--- /dev/null
+++ b/single_files/forfor.zig
@@ -0,0 +1,9 @@
+const print = @import("std").debug.print;
+
+pub fn main() void {
+  for ([_]i32 { 1, 3, 4, 5, 6 }) |i| {
+    for ([_]i32 { 10, 20, 30}) |j| {
+      print("{} * {} = {}\n", .{i, j, i * j});
+    }
+  }
+}
diff --git a/single_files/optionals.zig b/single_files/optionals.zig
new file mode 100644
index 0000000..7fa6456
--- /dev/null
+++ b/single_files/optionals.zig
@@ -0,0 +1,7 @@
+const print = @import("std").debug.print;
+
+pub fn main() void {
+  var a: ?i32 = null;
+  var b = a orelse 1;
+  print("{} {} \n", .{a, b});
+}