Using the error Interface for Richer APIs (Episode 17)

Learn more with the Ultimate Guide to Web Apps in Go: https://bit.ly/webapps-go This screencast talks about how to extend the error interface (https://godoc.org/builtin#error) to create your own error types. In the sample code, we focus on how & why to create your own error types. We also introduce some best practices when doing so in your own packages. Code and outlines are available on Github at: https://github.com/arschles/go-in-5-minutes

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