Error Handling

Sample code link: (https://repl.it/@jjoco/go-error-handling)

Some functions return an error type 

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sampleVar, err := canReturnErrorFct(args)
if err != nil {
    //Do something if there's an error
}
If the function is successful, err would be nil.

Example 

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sampleStr := "ffgds"
strToInt, err := strconv.Atoi(sampleStr)

if err != nil {
    log.Fatal(err)
}

fmt.Println(strToInt)
// Output = "2020/10/22 19:39:38 strconv.Atoi: parsing "ffgds": invalid syntax"
// "exit status 1"
Ignoring errors

If you're feeling ambitious, you can certainly skip error handling of a function like below using _: 

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sampleVar, _ := canReturnErrorFct(args)
However, only do this if you're really confident that the function will not return an error ever