peek_vars {tidyselect} | R Documentation |
Peek at variables in the selection context
Description
-
peek_vars()
returns the vector of names of the variables currently available for selection. -
peek_data()
returns the whole input vector (only available witheval_select()
).
Read the Get started for
examples of how to create selection helpers with peek_vars()
.
The variable names in a selection context are registered
automatically by eval_select()
and eval_rename()
for the
duration of the evaluation. peek_vars()
is the glue that connects
selection helpers to the current selection
context.
Usage
peek_vars(..., fn = NULL)
peek_data(..., fn = NULL)
Arguments
... |
These dots are for future extensions and must be empty. |
fn |
The name of the function to use in error messages when the helper is used in the wrong context. If not supplied, a generic error message is used instead. |
[Package tidyselect version 1.2.1 Index]