Is single true

Tests if an object is a single TRUE

is_single_true(x)

Arguments

x

an R object

See also

is_single, is_single_false

Examples

is_single_true(TRUE)  # TRUE
#> [1] TRUE
is_single_true(FALSE)  # FALSE
#> [1] FALSE
is_single_true(c(TRUE, FALSE))  # FALSE
#> [1] FALSE
is_single_true(-1.0)  # FALSE
#> [1] FALSE
is_single_true(0)  # FALSE
#> [1] FALSE
is_single_true(NA)  # FALSE
#> [1] FALSE