Cache engines of other languages
This object controls how to load cached environments from languages other
than R (when the chunk option
engine is not
component in this object is a function that takes the current path to the
chunk cache and loads it into the language environment.
The cache engine function has one argument
options, a list containing
all chunk options. Note that
options$hash is the path to the current
chunk cache with the chunk's hash, but without any file extension, and the
language engine may write a cache database to this path (with an extension).
The cache engine function should load the cache environment and should know the extension appropriate for the language.
An object of class
list of length 5.
See https://github.com/rstudio/reticulate/pull/167 for an implementation of a cache engine for Python.