Boolean

Checks if provided object is a boolean i.e. a length-one logical vector.

is.boolean(x)

Arguments

x

an object to check

Value

a logical value indicating whether provided object is a boolean

Examples

if (FALSE) { # \dontrun{
    is.boolean(TRUE)                # [1] TRUE
    # the following will work on most systems, unless you have tweaked global Rprofile
    is.boolean(T)                   # [1] TRUE
    is.boolean(1)                   # [1] FALSE
    is.string(c("foo", "bar"))      # [1] FALSE
} # }