`c(NA_real_, 1)` should not contain NAs, but does

[1] "`c(NA_real_, 1)` should not contain NAs, but does"

`NULL` should be type "numeric" (is "NULL")

[1] "`NULL` should be type \"numeric\" (is \"NULL\")"

`-runif(5) - 1` should contain only positive values, but has negatives

[1] "`-runif(5) - 1` should contain only positive values, but has negatives"

`runif(5) + 1` should contain only negative values, but has positives

[1] "`runif(5) + 1` should contain only negative values, but has positives"

[1] "`length(letters)` should be 1 (is 26)"

`list(1, 2, 3)` should be type "character" (is "list")

[1] "`list(1, 2, 3)` should be type \"character\" (is \"list\")"

`list(1, 2, 3)` should be type "complex" (is "list")

[1] "`list(1, 2, 3)` should be type \"complex\" (is \"list\")"

[1] "`NA` should not contain NAs, but does"

`letters` should be type "logical" (is "character")

[1] "`letters` should be type \"logical\" (is \"character\")"

`1:10 > 5` is not all TRUE (contains non-TRUE values)

[1] "`1:10 > 5` is not all TRUE (contains non-TRUE values)"

`c(TRUE, NA, TRUE)` is not TRUE (contains NAs)

[1] "`c(TRUE, NA, TRUE)` is not TRUE (contains NAs)"

`1:5` is not TRUE (is "integer" instead of a "logical")

[1] "`1:5` is not TRUE (is \"integer\" instead of a \"logical\")"

`.(` must be used with only one argument.

Error in vet(.(1:5, 1:5), 1:5) : 
  `.(` must be used with only one argument.

`list(1, 2, 3)` is not TRUE (is "list" instead of a "logical")

[1] "`list(1, 2, 3)` is not TRUE (is \"list\" instead of a \"logical\")"

vet(.(c("hello world", "goodbye moon")), 1:3)

`c("hello world", "goodbye moon")` is not TRUE (is chr [1:2]: "hello world" ...)

[1] "`c(\"hello world\", \"goodbye moon\")` is not TRUE (is chr [1:2]: \"hello world\" ...)"

`1.4` should be `NULL`, or type "integer-like" (is "double")

[1] "`1.4` should be `NULL`, or type \"integer-like\" (is \"double\")"

vet(INT.1 || NULL || character(3L), 1.2)

`1.2` should be `NULL`, type "character", or type "integer-like" (is "double")

[1] "`1.2` should be `NULL`, type \"character\", or type \"integer-like\" (is \"double\")"