Why Does My Go Program Get an 'Access Denied' Error When Deleting from a Map?

Access Denied Encountered in Go Language

When working with the Go programming language, a novice user encountered an error message indicating "Access is denied" while removing an item from a map. The error surfaced during an attempt to execute the following code:

package main

import "fmt"

func main() {
    presAge := make(map[string]int)

    presAge["test"] = 42
    presAge["boom"] = 421

    delete(presAge, "boom")

    fmt.Println(len(presAge))
}

Cause and Resolution

Investigation revealed that the issue stemmed from the user's anti-virus software, Avira. In specific cases, Avira can misidentify the Go executable file (.exe) as containing a virus pattern, resulting in access denial.

To remedy this situation, the user disabled the anti-virus software. Consequently, the code executed without any further issues.

Implications for Go Developers

This incident highlights the possibility of unexpected interactions between Go applications and anti-virus programs. Developers are advised to consider the potential impact of anti-virus software when troubleshooting access-related errors.

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