List checks

These functions have been deprecated as of vctrs 0.6.0.

• vec_is_list() has been renamed to obj_is_list().

• vec_check_list() has been renamed to obj_check_list().

Usage

vec_is_list(x)

vec_check_list(x, ..., arg = caller_arg(x), call = caller_env())

Arguments

x

For vec_*() functions, an object. For list_*() functions, a list.

...

These dots are for future extensions and must be empty.

arg

An argument name as a string. This argument will be mentioned in error messages as the input that is at the origin of a problem.

call

The execution environment of a currently running function, e.g. caller_env(). The function will be mentioned in error messages as the source of the error. See the call argument of abort() for more information.