packer: More comments/docs
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@ -10,8 +10,10 @@ import (
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"strings"
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)
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// The function type used to lookup Builder implementations.
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type BuilderFunc func(name string) (Builder, error)
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// The function type used to lookup Command implementations.
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type CommandFunc func(name string) (Command, error)
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// The environment interface provides access to the configuration and
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