Cereal works pretty well so I may use it, but there's one more library I want to try first called tser.

meson.build

@@ -8,10 +8,11 @@ ftxui_screen = dependency('ftxui-screen')
 ftxui_dom = dependency('ftxui-dom')
 ftxui_component = dependency('ftxui-component')
 sfml = dependency('sfml')
+cereal = dependency('cereal')
 
 dependencies = [catch2, fmt,
   ftxui_screen, ftxui_dom, ftxui_component,
-  json, sfml]
+  json, sfml, cereal]
 
 runtests = executable('runtests', [
   'dbc.cpp',
@@ -48,9 +49,4 @@ roguish = executable('roguish', [
   ],
   dependencies: dependencies)
 
-collider = executable('collider', [
-  './scratchpad/collider.cpp'
-  ],
-  dependencies: dependencies)
-
 test('tests', runtests)