Shaped3Array.pm6

# this is actually part of the Array class

    my role Shaped3Array does ShapedArray {
        multi method AT-POS(::?CLASS:D: int \one, int \two, int \three) is raw {
            nqp::ifnull(
              nqp::atpos3d(
                nqp::getattr(self,List,'$!reified'),
                one, two, three),
              AT-POS-CONTAINER(self, one, two, three)
            )
        }
        multi method AT-POS(::?CLASS:D: Int:D \one, Int:D \two, Int:D \three) is raw {
            nqp::ifnull(
              nqp::atpos3d(
                nqp::getattr(self,List,'$!reified'),
                one, two, three),
              AT-POS-CONTAINER(self, one, two, three)
            )
        }
        sub AT-POS-CONTAINER(\array, int \one, int \two, int \three) is raw {
            nqp::p6scalarfromdesc(ContainerDescriptor::BindArrayPos3D.new(
               nqp::getattr(array, Array, '$!descriptor'),
               nqp::getattr(array, List, '$!reified'),
               one, two, three))
        }

        multi method ASSIGN-POS(::?CLASS:D: int \one, int \two, int \three, \value) {
            my \reified := nqp::getattr(self,List,'$!reified');
            nqp::ifnull(
              nqp::atpos3d(reified,one,two,three),
              nqp::bindpos3d(reified,one,two,three,
                nqp::p6scalarfromdesc(nqp::getattr(self,Array,'$!descriptor')))
            ) = value
        }
        multi method ASSIGN-POS(::?CLASS:D: Int:D \one, Int:D \two, Int:D \three, \value) {
            my \reified := nqp::getattr(self,List,'$!reified');
            nqp::ifnull(
              nqp::atpos3d(reified,one,two,three),
              nqp::bindpos3d(reified,one,two,three,
                nqp::p6scalarfromdesc(nqp::getattr(self,Array,'$!descriptor')))
            ) = value
        }

        multi method EXISTS-POS(::?CLASS:D: int \one, int \two, int \three) {
            my \reified := nqp::getattr(self,List,'$!reified');
            my \dims := nqp::dimensions(reified);
            nqp::hllbool(
              nqp::islt_i(one,nqp::atpos_i(dims,0))
                && nqp::islt_i(two,nqp::atpos_i(dims,1))
                  && nqp::islt_i(three,nqp::atpos_i(dims,2))
                    && nqp::not_i(
                         nqp::isnull(nqp::atpos3d(reified,one,two,three))
                       )
            )
        }
        multi method EXISTS-POS(::?CLASS:D: Int:D \one, Int:D \two, Int:D \three) {
            my \reified := nqp::getattr(self,List,'$!reified');
            my \dims := nqp::dimensions(reified);
            nqp::hllbool(
              nqp::islt_i(one,nqp::atpos_i(dims,0))
                && nqp::islt_i(two,nqp::atpos_i(dims,1))
                  && nqp::islt_i(three,nqp::atpos_i(dims,2))
                    && nqp::not_i(
                         nqp::isnull(nqp::atpos3d(reified,one,two,three))
                       )
            )
        }

        multi method DELETE-POS(::?CLASS:D: int \one, int \two, int \three) is raw {
            my \reified := nqp::getattr(self,List,'$!reified');
            nqp::if(
              nqp::isnull(my \value := nqp::atpos3d(reified,one,two,three)),
              Nil,
              nqp::stmts(
                nqp::bindpos3d(reified,one,two,three,nqp::null),
                value
              )
            )
        }
        multi method DELETE-POS(::?CLASS:D: Int:D \one, Int:D \two, Int:D \three) is raw {
            my \reified := nqp::getattr(self,List,'$!reified');
            nqp::if(
              nqp::isnull(my \value := nqp::atpos3d(reified,one,two,three)),
              Nil,
              nqp::stmts(
                nqp::bindpos3d(reified,one,two,three,nqp::null),
                value
              )
            )
        }

        multi method BIND-POS(::?CLASS:D: int \one, int \two, int \three, \value) {
            nqp::bindpos3d(
              nqp::getattr(self,List,'$!reified'),
              one, two, three, value
            )
        }
        multi method BIND-POS(::?CLASS:D: Int:D \one, Int:D \two, Int:D \three, \value) {
            nqp::bindpos3d(
              nqp::getattr(self,List,'$!reified'),
              one, two, three, value
            )
        }
    }

# vim: ft=perl6 expandtab sw=4