[a=42, b=Foo, c=<uninitialized>, d=Bar]
{
[b] = [type_name=record, log=F, value=Foo, default_val=Foo],
[d] = [type_name=record, log=T, value=Bar, default_val=<uninitialized>],
[c] = [type_name=record, log=F, value=<uninitialized>, default_val=<uninitialized>],
[a] = [type_name=record, log=F, value=42, default_val=<uninitialized>]
}
F
