A class inherited directly from envRefClass
list, a base::list
Pop many by indexes.
popone(x, warn = TRUE, error = TRUE)
Pop the one at the given index/position (or name) in the list, and return it. If no index is specified, obj$popone() removes and returns the last one in the list.
Remove the first matched element whose value is x. Display an error if it does not exist.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.