add if

Author: ziteh

if/basic.zig

@@ -0,0 +1,14 @@
+const std = @import("std");
+
+pub fn main() void {
+    const a: u8 = 32;
+    const b: u8 = 128;
+
+    if (a > b) {
+        std.debug.print("A", .{});
+    } else if (a < b) {
+        std.debug.print("B", .{});
+    } else {
+        std.debug.print("eq", .{});
+    }
+}

if/optionan.zig

@@ -0,0 +1,17 @@
+const std = @import("std");
+
+pub fn main() void {
+    var a: ?u8 = 32;
+    check(a);
+
+    a = null;
+    check(a);
+}
+
+fn check(a: ?u8) void {
+    if (a) |value| { // Capture
+        std.debug.print("Value: {}\n", .{value});
+    } else {
+        std.debug.print("Value: null\n", .{});
+    }
+}

if/readme.md

@@ -0,0 +1,17 @@
+# If Expression
+
+```bash
+$ zig run basic.zig
+B
+```
+
+```bash
+$ zig run ternary.zig
+B
+```
+
+```bash
+$ zig run optionan.zig
+Value: 32
+Value: null
+```

if/ternary.zig

@@ -0,0 +1,10 @@
+const std = @import("std");
+
+pub fn main() void {
+    const a: u8 = 32;
+    const b: u8 = 128;
+
+    const c = if (a > b) "A" else "B";
+
+    std.debug.print("{s}", .{c});
+}