Transforms all passed R objects into a JSON list
toJSON wrapped into a
the logging call being evaluated (useful in formatters and layouts when you want to have access to the raw, unevaluated R expression)
R expression from which the logging function was called (useful in formatters and layouts to extract the calling function's name or arguments)
original frame of the
.topcall calling function where the formatter function will be evaluated and that is used to look up the
namespace as well via
This functionality depends on the jsonlite package.