module Dyph::Support::AssignAction
Public Class Methods
get_action(lo_a:, lo_b:, hi_a:, hi_b:)
click to toggle source
# File lib/dyph/support/assign_action.rb, line 5 def self.get_action(lo_a:, lo_b:, hi_a:, hi_b:) if lo_a <= hi_a && lo_b <= hi_b # for this change, the bounds are both 'normal'. the beginning of the change is before the end. [:change, lo_a + 1, hi_a + 1, lo_b + 1, hi_b + 1] elsif lo_a <= hi_a [:delete, lo_a + 1, hi_a + 1, lo_b + 1, lo_b] elsif lo_b <= hi_b [:add, lo_a + 1, lo_a, lo_b + 1, hi_b + 1] else nil end end