peek_vars

peek_data

These dots are for future extensions and must be empty.

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.

<ul>
<li><code>peek_vars()</code> returns the vector of names of the variables
currently available for selection.</li>
<li><code>peek_data()</code> returns the whole input vector (only available with
<code><a rd-options="=eval_select" href="/link/eval_select()?package=tidyselect&version=1.1.1&to=%3Deval_select" data-mini-rdoc="=eval_select::eval_select()">eval_select()</a></code>).</li>
</ul>Read the <a href="https://tidyselect.r-lib.org/articles/tidyselect.html">Get started</a> for
examples of how to create selection helpers with <code>peek_vars()</code>.
The variable names in a selection context are registered
automatically by <code><a rd-options="=eval_select" href="/link/eval_select()?package=tidyselect&version=1.1.1&to=%3Deval_select" data-mini-rdoc="=eval_select::eval_select()">eval_select()</a></code> and <code><a rd-options="=eval_rename" href="/link/eval_rename()?package=tidyselect&version=1.1.1&to=%3Deval_rename" data-mini-rdoc="=eval_rename::eval_rename()">eval_rename()</a></code> for the
duration of the evaluation. <code>peek_vars()</code> is the glue that connects
<a rd-options="=language" href="/link/selection%20helpers?package=tidyselect&version=1.1.1&to=%3Dlanguage" data-mini-rdoc="=language::selection helpers">selection helpers</a> to the current selection
context.

A backend for the selecting functions of the 'tidyverse'.
It makes it easy to implement select-like functions in your own
packages in a way that is consistent with other 'tidyverse'
interfaces for selection.

peek_vars: Peek at variables in the selection context

Description

Usage

Arguments