some async stuff

colorblind/README.md

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+following along with this blog post:
+https://kristoff.it/blog/zig-colorblind-async-await/

colorblind/send.zig

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+const std = @import("std");
+const net = std.net;
+
+const stdout = std.io.getStdOut().writer();
+pub const io_mode = .evented;
+
+pub fn main() !void {
+    const addr = try net.Address.parseIp("127.0.0.1", 7000);
+    try stdout.print("about to send message\n", .{});
+
+    var sendFrame = async send_message(addr);
+    //  you can do some other stuff while waiting for send_message to resolve
+    try stdout.print("message sent, can do other stuff now\n", .{});
+    try stdout.print("alright let's wait\n", .{});
+
+    // now we await the result from that prior async operation
+    try await sendFrame;
+    try stdout.print("we finished with sendFrame\n", .{});
+}
+
+fn send_message(addr: net.Address) !void {
+    var socket = try net.tcpConnectToAddress(addr);
+    defer socket.close();
+
+    _ = try socket.write("Hello World!\n");
+}