To add a small amount of functionality to <xp_var
>,
this method was created.
Usage
xp_var(xpdb, .problem, col = NULL, type = NULL, silent = FALSE)
# Default S3 method
xp_var(xpdb, .problem, col = NULL, type = NULL, silent = FALSE)
# S3 method for class 'xp_xtras'
xp_var(xpdb, .problem, col = NULL, type = NULL, silent = FALSE)