is_single_negative_integer {tester}

Is single negative integer

Description

Tests if an object is a single negative integer

Usage

  is_single_negative_integer(x)

Arguments

x

an R object

See Also

is_single, is_single_positive_integer

Examples

is_single_negative_integer(-1.0)  # TRUE
is_single_negative_integer(1.0)  # FALSE
is_single_negative_integer(c(1.0,2))  # FALSE
is_single_negative_integer(0)  # FALSE
is_single_negative_integer(NA)  # FALSE