workspace( name )
    Switches to a specified workspace.

    If a workspace with the specified name does not exist, the workspace is
    created.

    Parameters
    ----------
    name: string
        Workspace name.

    Examples
    --------
    > workspace( 'foobar' );
    > var x = 3.14;
    > workspace( 'beepboop' );
    > x

    See Also
    --------
    assignin, currentWorkspace, vars, workspaces