Man pages matching name type::tiny::_halfop in section 3pm:

Type::Tiny::_HalfOp.3pm.en	debian 10 / libtype-tiny-perl
Type::Tiny::_HalfOp.3pm.en	debian 11 / libtype-tiny-perl
Type::Tiny::_HalfOp.3pm.en	debian 12 / libtype-tiny-perl