contents returns the value of the parcel contents by evaluating
the expression in the parcel.
contents<- attempts to assign
to the expression, which will only work if the expression is appropriate, e.g.
1 2 3
an object of class 'parcel'
a value to assign
The result of evaluating the expression stored in the parcel.
contents<-, the parcel itself.
contents<- will only work if the expression wrapped in the
parcel can accept assignments.
1 2 3 4 5 6 7 8 9 10 11 12
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.