The less than operator

The less than operator

Usage

x %lt% y

Arguments

x

Object.

y

Another object.

Value

A Boolean value.

Examples

NAME <- new_class(class_name = "NAME")
name <- NAME$instantiate
register_method(NAME,
                ..init.. = function(first_name, last_name) {
                  self$first_name = first_name
                  self$last_name = last_name
                })
register_method(NAME,
                ..lt.. = function(y) {
                  if (self$last_name == y$last_name) {
                    return(self$first_name < y$first_name)
                  }
                  return(self$last_name < self$last_name)
                })

patrick <- name("Patrick", "Li")
james <- name("James", "Li")
patrick %lt% james
#> [1] FALSE