Checks for deferred string ALTREPs
Examples
is_deferred_string("hi")
#> [1] FALSE
is_deferred_string(as.character(1))
#> [1] TRUE
Checks for deferred string ALTREPs
is_deferred_string("hi")
#> [1] FALSE
is_deferred_string(as.character(1))
#> [1] TRUE