Amit Saha 11/13/2021

Go - Append behavior in option values using flag package

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This technical article details a solution for creating a command-line flag in Go that accepts multiple values, appending each occurrence to a list. It uses the standard library's flag.Func() method, demonstrating with a practical example of adding multiple HTTP headers in a CLI application. The post is a practical guide for Go developers working on CLI tools.

Go - Append behavior in option values using flag package

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