hash_input

hash_input.function

hash_input.data.table

hash_input.default

Returns the part of an object to be used to calculate its hash.

Frequently used helper functions and assertions used in
'mlr3' and its companion packages. Comes with helper functions for
functional programming, for printing, to work with 'data.table', as
well as some generally useful 'R6' classes. This package also
supersedes the package 'BBmisc'.

Marc Becker

mlr3misc

Helper Functions for 'mlr3'

Michel Lang

Patrick Schratz

hash_input function

<dl><dt>x</dt>
<dd>(any) 
Object for which to retrieve the hash input.</dd></dl>

Arguments

<ul>
<li><code>hash_input(`function`)</code>: The formals and the body are returned in a <code><a href="/link/list()?package=mlr3misc&version=0.16.0" data-mini-rdoc="mlr3misc::list()">list()</a></code>.
This ensures that the bytecode or parent environment are not included.
in the hash.</li>
<li><code>hash_input(data.table)</code>: The data.table is converted to a regular list and <code>hash_input()</code> is applied to all elements.
The conversion to a list ensures that keys and indices are not included in the hash.</li>
<li><code>hash_input(default)</code>: Returns the object as is.</li>
</ul>

Methods (by class)

Hash Input — hash_input

<dl>

<dt>x</dt>
<dd>(any) 
Object for which to retrieve the hash input.</dd>

</dl>

<ul>
<li><code>hash_input(`function`)</code>: The formals and the body are returned in a <code><a href='https://rdrr.io/r/base/list.html'>list()</a></code>.
This ensures that the bytecode or parent environment are not included.
in the hash.</li>
<li><code>hash_input(data.table)</code>: The data.table is converted to a regular list and <code>hash_input()</code> is applied to all elements.
The conversion to a list ensures that keys and indices are not included in the hash.</li>
<li><code>hash_input(default)</code>: Returns the object as is.</li>
</ul>

hash_input: Hash Input

Description

Usage

Arguments

Methods (by class)