Retrieve the path to the active project (if any).
     
    
    
    Arguments
- default
- The value to return when no project is
currently active. Defaults to - NULL.
 
 
    
    Value
    The active project directory, as a length-one character vector.
     
    
    Examples
    if (FALSE) { # \dontrun{
# get the currently-active renv project
renv::project()
} # }