
duplicated column name
======================

> tibble(x = 1, x = 1, .name_repair = "minimal") %>% arrange(x)
Error: arrange() failed at implicit mutate() step. 
x Can't transform a data frame with duplicate names.


error in mutate() step
======================

> tibble(x = 1) %>% arrange(y)
Error: arrange() failed at implicit mutate() step. 
x Could not create a temporary column for `..1`.
i `..1` is `y`.

> tibble(x = 1) %>% arrange(rep(x, 2))
Error: arrange() failed at implicit mutate() step. 
x Could not create a temporary column for `..1`.
i `..1` is `rep(x, 2)`.

