What is net in Golang ?

 net is a built-in package in Golang that provides a set of functions and types for networking, including support for TCP, UDP, IP, DNS, and other protocols.

Some of the functions and types provided by the net package include:

net.Dial(): establishes a connection to a remote network address

net.Listen(): creates a listener for a network address, which can accept incoming connections

net.PacketConn: a generic interface for sending and receiving packets over a network

net.Interface: represents a network interface, such as an Ethernet or Wi-Fi adapter

net.IP: represents an IP address

net.TCPConn: represents a TCP connection

net.UDPConn: represents a UDP connection

The net package is very useful for implementing network protocols and building networked applications in Golang. It provides a simple and consistent API for working with different network protocols, and supports both blocking and non-blocking I/O.