Nothing
Code
df <- tibble(a = 1, b = 2)
names(df) <- NULL
Condition
Warning:
The `value` argument of `names<-` can't be NULL as of tibble 3.0.0.
Warning:
The `value` argument of `names<-` must have the same length as `x` as of tibble 3.0.0.
Warning:
The `value` argument of `names<-` can't be empty as of tibble 3.0.0.
Code
names(df) <- "c"
Condition
Warning:
The `value` argument of `names<-` must have the same length as `x` as of tibble 3.0.0.
Warning:
The `value` argument of `names<-` can't be empty as of tibble 3.0.0.
Code
names(df) <- c("..1", "..2")
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