B:
true
blue
R:
false
red
true
red
N:
false
black
false
Aborted in test_map_closure_default_alt1::Map::get (alt/test_map_closure_default_alt1.nit:19)
,---- Stack trace -- - -  -
| test_map_closure_default_alt1::Map::get (alt/test_map_closure_default_alt1.nit:18)
| test_map_closure_default_alt1::Sys::(kernel::Sys::main) (alt/test_map_closure_default_alt1.nit:28)
`------------------- - -  -