use crate::infallible_use::fun::UFilterMap;
use crate::infallible_use::{XapUse, XapUseOne};
use crate::sizes::{Bin, One};
pub struct UOneF<X: XapUse<Size = One>, G: UFilterMap<U = X::U, I = X::O>> {
x: X,
g: G,
}
impl<X: XapUse<Size = One>, G: UFilterMap<U = X::U, I = X::O>> Clone for UOneF<X, G> {
fn clone(&self) -> Self {
*self
}
}
impl<X: XapUse<Size = One>, G: UFilterMap<U = X::U, I = X::O>> Copy for UOneF<X, G> {}
impl<X: XapUse<Size = One>, G: UFilterMap<U = X::U, I = X::O>> UOneF<X, G> {
pub fn new(x: X, g: G) -> Self {
Self { x, g }
}
}
impl<X: XapUse<Size = One>, G: UFilterMap<U = X::U, I = X::O>> XapUse for UOneF<X, G> {
type I = X::I;
type O = G::O;
type Size = Bin;
type Values = Option<G::O>;
type U = X::U;
fn xap_use(&self, u: *mut Self::U, i: Self::I) -> Self::Values {
let u = unsafe { &mut *u };
let a = self.x.one_value(u, i);
self.g.filter_map(u, a)
}
}