When empty data are provided to matsindf_apply()
,
care must be take with the return value.
This function assembles the correct zero-row data frame or
zero-length lists.
handle_empty_data(.dat = NULL, FUN, DF, types)
The appropriate return value from matsindf_apply()
,
either a zero-length list or a zero-row data frame.
The .dat
argument to matsindf_apply()
.
The FUN
argument to matsindf_apply()
.
The assembled DF
inside matsindf_apply()
.
The types
object assembled inside matsindf_apply()
.