From 4ec36e3cf01677f5dedb55010342a2382d095578 Mon Sep 17 00:00:00 2001
From: Jordan Orelli <jordanorelli@gmail.com>
Date: Sat, 19 Dec 2020 12:08:46 -0600
Subject: [PATCH] hey

---
 .gitignore |  1 +
 hello.zig  |  6 ++++
 if.zig     | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 101 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 hello.zig
 create mode 100644 if.zig

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2040c29
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+zig-cache
diff --git a/hello.zig b/hello.zig
new file mode 100644
index 0000000..98ed35a
--- /dev/null
+++ b/hello.zig
@@ -0,0 +1,6 @@
+const std = @import("std");
+
+pub fn main() void {
+    std.debug.print("Hello, {}!\n", .{"World"});
+}
+
diff --git a/if.zig b/if.zig
new file mode 100644
index 0000000..691bea3
--- /dev/null
+++ b/if.zig
@@ -0,0 +1,94 @@
+const expect = @import("std").testing.expect;
+
+test "if statement" {
+    const a = true;
+    var x: u16 = 0;
+    if (a) {
+        x += 1;
+    } else {
+        x += 2;
+    }
+    expect(x == 1);
+}
+
+test "if statement expression" {
+    const a = true;
+    var x: u16 = 0;
+    x += if (a) 1 else 2;
+    expect(x == 1);
+}
+
+test "while" {
+    var i: u8 = 2;
+    while (i < 100) {
+        i *= 2;
+    }
+    expect(i == 128);
+}
+
+test "while with continue expression" {
+    var sum: u8 = 0;
+    var i: u8 = 1;
+    while (i <= 10) : (i += 1) {
+        sum += i;
+    }
+    expect(sum == 55);
+}
+
+test "while with continue" {
+    var sum: u8 = 0;
+    var i: u8 = 0;
+    while (i <= 3) : (i += 1) {
+        if (i == 2) continue;
+        sum += i;
+    }
+    expect(sum == 4);
+}
+
+test "while with break" {
+    var sum: u8 = 0;
+    var i: u8 = 0;
+    while (i <= 3) : (i += 1) {
+        if (i == 2) break;
+        sum += i;
+    }
+    expect(sum == 1);
+}
+
+test "for" {
+    const string = [_]u8{ 'a', 'b', 'c' };
+
+    for (string) |character, index| {}
+    for (string) |character| {}
+    for (string) |_, index| {}
+    for (string) |_| {}
+}
+
+fn addFive(x: u32) u32 {
+    return x + 5;
+}
+
+test "function" {
+    const y = addFive(0);
+    expect(@TypeOf(y) == u32);
+    expect(y == 5);
+}
+
+fn fibonacci(n: u16) u16 {
+    if (n == 0 or n == 1) return n;
+    return fibonacci(n - 1) + fibonacci(n - 2);
+}
+
+test "function recursion" {
+    const x = fibonacci(10);
+    expect(x == 55);
+}
+
+test "defer" {
+    var x: i16 = 5;
+    {
+        defer x += 2;
+        expect(x == 5);
+    }
+    expect(x == 7);
+}