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wip: down to 13 errors

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🪞👃🪞 2025-05-14 14:35:19 +03:00
parent 6ce83fb27a
commit ebdb8881e9
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10
crates/engine/src/lib.rs
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@ -18,6 +18,16 @@ pub trait Has<T>: Send + Sync {
fn get_mut (&mut self) -> &mut T;
}
pub trait MaybeHas<T>: Send + Sync {
fn get (&self) -> Option<&T>;
}
impl<T, U: Has<Option<T>>> MaybeHas<T> for U {
fn get (&self) -> Option<&T> {
Has::<Option<T>>::get(self).as_ref()
}
}
#[macro_export] macro_rules! has {
($T:ty: |$self:ident : $S:ty| $x:expr) => {
impl Has<$T> for $S {