chk_true | R Documentation |
Checks if TRUE using
is.logical(x) && length(x) == 1L && !anyNA(x) && x
chk_true(x, x_name = NULL)
vld_true(x)
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
The chk_
function throws an informative error if the test fails or
returns the original object if successful so it can used in pipes.
The vld_
function returns a flag indicating whether the test was met.
vld_true()
: Validate TRUE
Other chk_logical:
chk_false()
,
chk_flag()
,
chk_lgl()
# chk_true
chk_true(TRUE)
try(chk_true(1))
# vld_true
vld_true(TRUE)
vld_true(FALSE)
vld_true(NA)
vld_true(0)
vld_true(c(TRUE, TRUE))
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