test, NEWS

Author: MichaelChirico

NEWS.md

@@ -72,6 +72,8 @@
 
 12. `print(..., col.names = 'none')` now correctly adapts column widths to the data content, ignoring the original column names and producing a more compact output, [#6882](https://github.com/Rdatatable/data.table/issues/6882). Thanks to @brooksambrose for the report and @venom1204 for the PR.
 
+13. Reference to `.SD` in `...` arguments to `lapply()`, e.g. ``lapply(list_of_tables, `[`, j=.SD[1L])`` is evaluated correctly, [#2982](https://github.com/Rdatatable/data.table/issues/2982). Thanks @franknarf1 for the report and @MichaelChirico for the fix.
+
 ### NOTES
 
 1. The following in-progress deprecations have proceeded:

inst/tests/tests.Rraw

@@ -21426,3 +21426,6 @@ test(2330.7, as.data.table(list(z), keep.rownames=TRUE), data.table(rn=rep("", 3
 
 M <- matrix(1:6, nrow=3, dimnames=list(rep("", 3), c("V1", "V2")))   #  test of list(M) for empty-rowname'd matrix input
 test(2330.8, as.data.table(list(M), keep.rownames=TRUE), data.table(rn=rep("", 3), V1=1:3, V2=4:6))
+
+# .SD reference in '...' passed to lapply(FUN=) is recognized as data.table
+test(2331, lapply(list(data.table(a=1:2)), `[`, j=.SD[1L]), list(data.table(a=1L)))