tobyink

# Looks like overloaded &{} doesn't work with after_parse in either of Text::CSV_{PP,XS}
# so need to use \&{...} to get a real coderef. That's not a huge problem.

# This will die on any row that breaks the constraint...
after_parse => \&{ Tuple[Str, Str, Int, Bool, Optional[Num]] }

# This will skip on any row that breaks the constraint...
after_parse => sub {
  state $type  = Tuple[Str, Str, Int, Bool, Optional[Num]];
  state $check = $type->compiled_check;