NewContext generates a context from the given builder, naming systems, and the naming system you wish to construct the canonical ordering from.

NewErrorTracker makes a new error tracker; note that it implements io.Writer.

w is the destination; left and right are the delimiters; @ and $ are both reasonable choices.

Context is global context for individual generators to consume.

DefaultGen implements a do-nothing Generator.

DefaultPackage contains a default implementation of Package.

ErrorTracker tracks errors to the underlying writer, so that you can ignore them until you're ready to return.

SnippetWriter is an attempt to make the template library usable.

Generator is the contract for anything that wants to do auto-generation.

Package contains the contract for generating a package.

Args exists to make it convenient to construct arguments for SnippetWriter.Do.

Packages is a list of packages to generate.