`is_syntactic_literal()` returns `TRUE` for arrays

[hadley]

x <- array(1)
is_syntactic_literal(x)
#> Error in is_syntactic_literal(x): could not find function "is_syntactic_literal"
deparse(x)
#> [1] "structure(1, dim = 1L)"

^{Created on 2025-08-11 with reprex v2.1.1}

[hadley]

And for factors: is_syntactic_literal(factor("x"))