new test belying the "simplification" in prev. commit

MichaelChirico · MichaelChirico · commit 436e410ef610 · 2025-07-07T17:44:42.000Z
diff --git a/inst/tests/tests.Rraw b/inst/tests/tests.Rraw
@@ -21381,3 +21381,7 @@ if (!inherits(tryCatch(sqrt_elt_sym(1), error=identity), "error")) {
   test(2329.7, DT[, lapply(.SD, sqrt_elt_sym)], data.table(a=1.0))
   test(2329.8, DT[, lapply(.SD, function(...) sqrt(...elt(1L)))], data.table(a=1.0))
 }
+# edge case of weird, though technically valid, names
+`.123` = 'a'
+DT = data.table(a = 4L)
+test(2329.9, DT[, ...123], DT) # _not_ '..N' style and distinct from '...'

Original file line number	Diff line number	Diff line change
`@@ -21381,3 +21381,7 @@ if (!inherits(tryCatch(sqrt_elt_sym(1), error=identity), "error")) {`
`21381`	`21381`	`test(2329.7, DT[, lapply(.SD, sqrt_elt_sym)], data.table(a=1.0))`
`21382`	`21382`	`test(2329.8, DT[, lapply(.SD, function(...) sqrt(...elt(1L)))], data.table(a=1.0))`
`21383`	`21383`	`}`
	`21384`	`+# edge case of weird, though technically valid, names`
	`21385`	+`.123` = 'a'
	`21386`	`+DT = data.table(a = 4L)`
	`21387`	`+test(2329.9, DT[, ...123], DT) # _not_ '..N' style and distinct from '...'`