Flag library in Golang

In Go, the flag package is the standard way to handle command-line arguments. It allows you to define options like -port=8080 or -verbose that users can pass when running your program. The Three-Step Workflow To use flags correctly, you must follow this specific order: Define: Tell Go what flags to look for (names, types, and defaults). Parse: Call flag.Parse(). This is the most important step;…