For troubleshooting. Not exported.
iso_turn_debug_on(data = NULL, catch_errors = TRUE, cache = FALSE)
iso_turn_debug_off(data = NULL)
set_read_file_event_expr(event_expr = NULL)
set_finish_file_event_expr(event_expr = NULL)
a data frame - returned invisibly as is if provided (e.g. in the middle of a pipeline)
whether to still catch errors in debug mode or whether to throw them
whether to cache or read anything from cache
an expression to evaluate in the context of reading individual iso files (evaluated in the local environment at the beginning of a file read)