dimn9 <- list(a = 1:3, b = letters[4:6], c = letters[7:9])

dimn10 <- list(a = list("a", "b", "c"), b = letters[4:6], c = letters[7:9])

dimn12 <- matrix(letters[1:9], nrow = 3)

dimn13 <- `attr<-`(dimn2, "bar", "yowza")

dimn14 <- `attr<-`(dimn2, "bar", "yowz")

dimn15 <- list(a = letters[1:3], b = letters[1:3])

dimn16 <- list(a = letters[1:3], b = letters[1:3])

dimn18 <- list(a = letters[1:2], b = letters[1:3])

$success
[1] 0

$message
$message$message
[1] "be"    "\"a\"" "is"    "\"\"" 

$message$wrap
$message$wrap[[1]]
names(dimnames(NULL))[1]

$message$wrap[[2]]
$message$wrap[[2]][[1]]
NULL




$df
[1] 0

$lvl
[1] 0

Warning: stack imbalance in 'withVisible', 88 then 89

$success
[1] 0

$message
$message$message
[1] "be"    "\"b\"" "is"    "\"B\""

$message$wrap
$message$wrap[[1]]
names(dimnames(NULL))[2]

$message$wrap[[2]]
$message$wrap[[2]][[1]]
NULL




$df
[1] 0

$lvl
[1] 0

$success
[1] 0

$message
$message$message
[1] "be"    "\"a\"" "is"    "\"A\""

$message$wrap
$message$wrap[[1]]
dimnames(NULL)[[1]][1]

$message$wrap[[2]]
$message$wrap[[2]][[1]]
NULL




$df
[1] 0

$lvl
[1] 0

$success
[1] 0

$message
$message$message
[1] "be" "1"  "is" "3" 

$message$wrap
$message$wrap[[1]]
length(dimnames(NULL)[[1]])

$message$wrap[[2]]
$message$wrap[[2]][[1]]
NULL




$df
[1] 0

$lvl
[1] 0

$success
[1] 0

$message
$message$message
[1] "be" "3"  "is" "1" 

$message$wrap
$message$wrap[[1]]
length(dimnames(NULL)[[1]])

$message$wrap[[2]]
$message$wrap[[2]][[1]]
NULL




$df
[1] 0

$lvl
[1] 0

$success
[1] 0

$message
$message$message
[1] "have"                "attribute \"names\"" ""                   
[4] ""                   

$message$wrap
$message$wrap[[1]]
dimnames(NULL)

$message$wrap[[2]]
$message$wrap[[2]][[1]]
NULL




$df
[1] 0

$lvl
[1] 0

$success
[1] 0

$message
$message$message
[1] "be"       "`NULL`"   "is"       "\"list\""

$message$wrap
$message$wrap[[1]]
dimnames(NULL)

$message$wrap[[2]]
$message$wrap[[2]][[1]]
NULL




$df
[1] 0

$lvl
[1] 0

$success
[1] 0

$message
$message$message
[1] "have"                     "a \"dimnames\" attribute"
[3] ""                         ""                        

$message$wrap
$message$wrap[[1]]
NULL

$message$wrap[[2]]
NULL



$df
[1] 0

$lvl
[1] 0