dot-check_col_new: Check that a column name does not already exist in a data...

In tibblify: Rectangle Nested Lists

Check that a column name does not already exist in a data frame

Description

Check that a column name does not already exist in a data frame

Usage

.check_col_new(
  x,
  col_name,
  col_arg = caller_arg(col_name),
  x_arg = "x",
  call = caller_env()
)

Arguments

x	(data.frame) The data frame to unnest.
col_name	(character(1)) The name of the column.
col_arg	(character(1)) The name of the col argument, used for error messages.
x_arg	(character(1)) Data frame argument name used in error messages.
call	(environment) The environment to use for error messages.

Value

x (invisibly). Throws an error if col_name is already a column of x.

tibblify documentation built on May 9, 2026, 5:07 p.m.