Types

CoordinateType = int32

GeometryType = int16

Lattice = concept ltypeof(LatticeCoordinate)typeof(FieldType)typeof(Field)
    l.sites(untyped):(discard )
    l.latticeCoordinate(n: int):
      LatticeCoordinate
    l.newField(FieldType):
      Field

Generic lattice concept <in need of documentation>