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