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Package errwrap implements methods to formalize error wrapping in Go.

The mapstructure package exposes functionality to convert an abitrary map[string]interface{} into a native Go structure.

multistep is a library for bulding up complex actions using individual, discrete steps.

The plugin package provides the functionality to both expose a Packer plugin binary and to connect to an existing Packer plugin binary.

reflectwalk is a package that allows you to "walk" complex structures similar to how you may "walk" a filesystem: visiting every element one by one and calling callback functions allowing you to handle and manipulate those elements.

High Performance, Feature-Rich Idiomatic Go codec/encoding library for binc, msgpack, cbor, json.