How can I use the log package for error handling in Go?

How can I use the log package for error handling in Go?

You can use the log package in Go to log errors by calling log.Println or log.Printf with your error messages.

Can you show me a code example?

Sure! Here's a simple example:

package main

import (
    "log"
    "os"
)

func main() {
    _, err := os.Open("nonexistentfile.txt")
    if err != nil {
        log.Printf("Error opening file: %v", err)
    }
}

What are the benefits of using the log package?

The log package provides a simple way to log messages, supports different log levels, and can be easily configured for output.

Can I customize the log output format?

Yes, you can customize the log output format by using log.SetFlags and log.SetOutput to change how logs are displayed.