Macro pyo3::pyobject_native_var_type

macro_rules! pyobject_native_var_type {
    ($name : ty, $typeobject : expr, $module : expr, $checkfunction : path
 $(; $generics : ident) *) => { ... };
    ($name : ty, $typeobject : expr, $checkfunction : path $(; $generics : ident)
 *) => { ... };
}