new_list_of: Create list_of subclass

In vctrs: Vector Helpers

Create list_of subclass

Description

Create list_of subclass

Usage

new_list_of(
  x = list(),
  ptype = logical(),
  size = NULL,
  ...,
  class = character()
)

Arguments

x	A list
ptype	The prototype which every element of x belongs to. If NULL, the prototype is not specified.
size	The size which every element of x has. If NULL, the size is not specified.
...	Additional attributes used by subclass
class	Optional subclass name

vctrs documentation built on Jan. 24, 2026, 1:07 a.m.