LibCore: Change the signature of Socket::send() to use Span.

Author: https://github.com/asynts
Commit: https://github.com/SerenityOS/serenity/commit/21de20825a5
Pull-request: https://github.com/SerenityOS/serenity/pull/2903

Applications/IRCClient/IRCClient.cpp

@@ -215,7 +215,7 @@ void IRCClient::process_line(ByteBuffer&& line)
 
 void IRCClient::send(const String& text)
 {
-    if (!m_socket->send(ByteBuffer::wrap(text.characters(), text.length()))) {
+    if (!m_socket->send(text.bytes())) {
         perror("send");
         exit(1);
     }

Libraries/LibCore/Socket.cpp

@@ -167,7 +167,7 @@ ByteBuffer Socket::receive(int max_size)
     return buffer;
 }
 
-bool Socket::send(const ByteBuffer& data)
+bool Socket::send(ReadonlyBytes data)
 {
     ssize_t nsent = ::send(fd(), data.data(), data.size(), 0);
     if (nsent < 0) {
@@ -182,8 +182,8 @@ void Socket::did_update_fd(int fd)
 {
     if (fd < 0) {
         if (m_read_notifier) {
-             m_read_notifier->remove_from_parent();
-             m_read_notifier = nullptr;
+            m_read_notifier->remove_from_parent();
+            m_read_notifier = nullptr;
         }
         if (m_notifier) {
             m_notifier->remove_from_parent();

Libraries/LibCore/Socket.h

@@ -27,6 +27,7 @@
 #pragma once
 
 #include <AK/Function.h>
+#include <AK/Span.h>
 #include <LibCore/IODevice.h>
 #include <LibCore/SocketAddress.h>
 
@@ -50,7 +51,7 @@ public:
     bool connect(const SocketAddress&);
 
     ByteBuffer receive(int max_size);
-    bool send(const ByteBuffer&);
+    bool send(ReadonlyBytes);
 
     bool is_connected() const { return m_connected; }
     void set_blocking(bool blocking);