Test if the object is a phinterval or interval

This function returns TRUE for <phinterval> and <Interval> vectors and returns FALSE otherwise.

Usage

is_phintish(x)

Arguments

x

An object to test.

Value

TRUE if x is a <phinterval> or <Interval>, FALSE otherwise.

Examples

is_phinterval(phinterval())
#> [1] TRUE
is_phinterval(interval())
#> [1] FALSE
is_phinterval(as.Date("2020-01-01"))
#> [1] FALSE