From 300c8b0c36f59cf3d71aab5f64a3ac4688e8df99 Mon Sep 17 00:00:00 2001
From: Jordan Orelli <jordanorelli@gmail.com>
Date: Tue, 22 Dec 2020 21:07:38 -0600
Subject: [PATCH] add generics example

---
 generics.zig | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 generics.zig

diff --git a/generics.zig b/generics.zig
new file mode 100644
index 0000000..1510e3c
--- /dev/null
+++ b/generics.zig
@@ -0,0 +1,27 @@
+const std = @import("std");
+
+fn List(comptime T: type) type {
+    return struct {
+        items: []T,
+        len: usize,
+    };
+}
+
+pub fn main() void {
+    var buffer: [10]i32 = undefined;
+
+    var list = List(i32){
+        .items = &buffer,
+        .len = 0,
+    };
+
+    // the same thing with an intermediate const to make it a little bit more
+    // clear:
+    // const IntList = List(i32);
+    // var list = IntList{
+    //     .items = &buffer,
+    //     .len = 0,
+    // };
+
+    std.debug.print("{}\n", .{list.items.len});
+}