RLMeshBoxOptions
Box(low, high, shape, dtype). (-inf, inf) is unbounded for any dtype; on an integer or bool dtype finite bounds are stored exactly and must be whole numbers (0.5 is RLMESH_ERR_INVALID_ARGUMENT); NaN is refused.
struct RLMeshBoxOptionsstruct_size
field[source]size_t struct_sizedtype
field[source]RLMeshDType dtypeRLMESH_DTYPE_FLOAT32
_reserved
field[source]uint32_t _reserved