has_attr: Has attribute or name?

In hadley/assertthat: Easy Pre and Post Assertions

Description

Has attribute or name?

Usage

has_attr(x, which)

x %has_attr% which

has_name(x, which)

x %has_name% which

Arguments

x	object to test
which	name or attribute

Examples

has_attr(has_attr, "fail")
x <- 10
x %has_attr% "a"

y <- list(a = 1, b = 2)
see_if(y %has_name% "c")

hadley/assertthat documentation built on June 5, 2019, 2:02 p.m.