Fast implementation of data structures, including a key-value
store, stack, and queue. Environments are commonly used as key-value stores
in R, but every time a new key is used, it is added to R's global symbol
table, causing a small amount of memory leakage. This can be problematic in
cases where many different keys are used. Fastmap avoids this memory leak
issue by implementing the map using data structures in C++.

Fast Data Structures

package-ubuntu-20.04-r-4.0.5#cran#fastmap-1.1.0

<p>A <code>key_missing</code> object represents a missing key.
</p>

<table summary="R argblock"><tr valign="top">
<td><code>x</code></td>
<td>
<p>An object to test.</p>
</td>
</tr></table>

package-ubuntu-20.04-r-4.0.5#cran#fastmap-1.1.0#docs#key_missing

key_missing

Description

Usage

Arguments

fastmap

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