# chk_all_na
try(chk_all_na(1))
try(chk_all_na(c(1, NA)))
chk_all_na(NA)
chk_all_na(c(NA, NA_character_, NA_real_))
# vld_all_na
vld_all_na(1)
vld_all_na(1:2)
vld_all_na(NA_real_)
vld_all_na(integer(0))
vld_all_na(c(NA, 1))
vld_all_na(TRUE)
vld_all_na(c(NA_real_, NA_character_))
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