How Can I Efficiently Convert Numeric Arrays to Delimited Strings in Go?

Concise Conversion of Numeric Arrays to Delimited Strings in Go

In Go, efficiently converting []int arrays to custom-delimited strings can be achieved with concise one-liners.

For instance, to transform []int{1, 2, 3} to "1, 2, 3" with a comma delimiter, a succinct approach is:

strings.Trim(strings.Replace(fmt.Sprint([1, 2, 3]), " ", ", ", -1), "[]")

This method leverages the functions strings.Trim to remove square brackets, strings.Replace to insert the desired delimiter, and fmt.Sprint to convert the array into a string.

Alternatively, similar results can be obtained using strings.Join, strings.Split, or strings.Fields functions. For example:

strings.Trim(strings.Join(strings.Split(fmt.Sprint([1, 2, 3]), " "), ", "), "[]")

These methods exploit the ability to convert the array to a string, split it by spaces, and concatenate them back together with the custom delimiter.

By utilizing these techniques, developers can efficiently transform numeric arrays into custom-delimited strings in Go with a single line of code.

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