A progression condition represents a progress in an R program.
progression( message = character(0L), amount = 1, step = NULL, time = progression_time, ..., type = "update", class = NULL, progressor_uuid = NULL, progression_index = NULL, progression_time = Sys.time(), call = NULL, calls = sys.calls(), owner_session_uuid = NULL )
(character vector or a function) If a character vector, then
it is pasted together into a single string using an empty separator.
If a function, then the message is constructed by
(numeric) The total amount of progress made.
(numeric) The step completed. If specified,
(POSIXct) A timestamp.
Type of progression made.
(character) Zero or more class names to prepend.
(character string) A character string that is unique for the current progressor and the current R session.
(integer) A non-negative integer that is incremented by one for each progression condition created.
(POSIXct or character string) A timestamp specifying when the progression condition was created.
(expression) A call expression.
(pairlist) The calls that lead up to this progression update.
(character string) A character string that is unique for the R session where the progressor was created.
Additional named elements.
A base::condition of class
To signal a progression condition, use