Remove defunct in.place

Author: MichaelChirico

NEWS.md

@@ -8,6 +8,7 @@
 
    + Argument `logicalAsInt` to `fwrite()` has been removed.
    + Argument `autostart` to `fread()` has been removed.
+   + Argument `in.place` to `droplevels` has been removed.
 
 # data.table [v1.17.0](https://github.com/Rdatatable/data.table/milestone/34)  (20 Feb 2025)
 

R/fdroplevels.R

@@ -8,8 +8,7 @@ fdroplevels = function(x, exclude = if (anyNA(levels(x))) NULL else NA, ...) {
   return(ans)
 }
 
-droplevels.data.table = function(x, except=NULL, exclude, in.place=NULL, ...){
-  if (!is.null(in.place)) stopf("droplevels() with in.place=TRUE is deprecated. Use setdroplevels() instead.")
+droplevels.data.table = function(x, except=NULL, exclude, ...){
   x = copy(x)
   if (missing(exclude)) exclude = NULL
   setdroplevels(x, except, exclude)[]

inst/tests/tests.Rraw

@@ -17784,7 +17784,7 @@ if (base::getRversion() >= "3.4.0") {
 }
 test(2214.06, droplevels(DT)[["a"]], droplevels(DT[1:5,a]))
 test(2214.07, droplevels(DT, 1)[["a"]], x[1:5])
-test(2214.08, droplevels(DT, in.place=TRUE), error="droplevels() with in.place=TRUE is deprecated.")
+# 2214.08 was of defunct in.place argument
 # support ordered factors in fdroplevels
 o = factor(letters[1:10], ordered=TRUE)
 test(2214.09, fdroplevels(o[1:5]), droplevels(o[1:5]))

man/fdroplevels.Rd

@@ -12,13 +12,12 @@
 fdroplevels(x, exclude = if (anyNA(levels(x))) NULL else NA, \dots)
 setdroplevels(x, except = NULL, exclude = NULL)
 
-\method{droplevels}{data.table}(x, except = NULL, exclude, in.place = NULL, \dots)
+\method{droplevels}{data.table}(x, except = NULL, exclude, \dots)
 }
 \arguments{
   \item{x}{ \code{factor} or \code{data.table} where unused levels should be dropped. }
   \item{exclude}{ A \code{character} vector of factor levels which are dropped no matter of presented or not. }
   \item{except}{ An \code{integer} vector of indices of data.table columns which are not modified by dropping levels. }
-  \item{in.place}{ Deprecated. Use \code{setdroplevels} for in-place modification. }
   \item{\dots}{ further arguments passed to methods }
 }