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Checks if logical scalar using
is.logical(x) && length(x) == 1L
chk_lgl(x, x_name = NULL)vld_lgl(x)
vld_lgl(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_lgl(): Validate Logical Scalar
vld_lgl()
Other chk_logical: chk_false(), chk_flag(), chk_true()
chk_false()
chk_flag()
chk_true()
# chk_lgl chk_lgl(NA) try(chk_lgl(1)) # vld_lgl vld_lgl(TRUE) vld_lgl(FALSE) vld_lgl(NA) vld_lgl(1) vld_lgl(c(TRUE, TRUE))
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