Basic sockets (0.21.0)

examples/tcp_http_get.fun

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+/**
+ * This file is part of the Fun programming language.
+ * https://hanez.org/project/fun/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2025-10-04
+ */
+
+/*
+ * Simple TCP client in Fun: fetches HTTP/1.0 from example.org
+ * Requires network access. Demonstrates tcp_connect, sock_send, sock_recv, sock_close.
+ */
+
+host = "example.org"
+port = 80
+
+fd = tcp_connect(host, port)
+if (fd <= 0)
+  print("connect failed")
+else
+  req = join([
+    "GET / HTTP/1.0\r\n",
+    "Host: ", host, "\r\n",
+    "User-Agent: fun/0.20\r\n",
+    "Connection: close\r\n\r\n"
+  ], "")
+  sent = sock_send(fd, req)
+  // Read up to 8192 bytes (first chunk)
+  data = sock_recv(fd, 8192)
+  print(data)
+  sock_close(fd)

examples/tcp_http_get_class.fun

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+/*
+ * This file is part of the Fun programming language.
+ * https://hanez.org/project/fun/
+ *
+ * Copyright 2025 Johannes Findeisen
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2025-10-04
+ */
+
+#include <io/socket.fun>
+
+// Simple HTTP GET using TcpClient class from stdlib
+
+c = TcpClient()
+if (!c.connect("example.org", 80))
+  print("connect failed")
+else
+  req = join([
+    "GET / HTTP/1.0\r\n",
+    "Host: example.org\r\n",
+    "User-Agent: fun/0.21\r\n",
+    "Connection: close\r\n",
+    "\r\n"
+  ], "")
+  c.send(req)
+  resp = c.recv_all(8192)
+  print(resp)
+  c.close()