# Functions
TODO remove this once there's a standard jenny for this...somewhere in core.
LatestJenny returns a jenny that runs another jenny for only the latest schema in a DefForGen, and prefixes the resulting file with the provided parentdir (e.g.
NewTargetJennies initializes a new TargetJennies with appropriate namers for each JennyList.
Prefixer returns a FileMapper that injects the provided path prefix to files passed through it.
SlashHeaderMapper produces a FileMapper that injects a comment header onto a [codejen.File] indicating the main generator that produced it (via the provided maingen, which should be a path) and the jenny or jennies that constructed the file.
# Structs
TargetJennies is a set of jennies for a particular target language or tool that perform all necessary code generation steps.