--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Called when the old value is discarded in favour of the new value.
full_name: Diff::LCS::DefaultCallbacks::discard_a
is_singleton: true
name: discard_a
params: (event)
visibility: public
