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Better downcast panics (#898)

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0HyperCube 2022-12-22 09:27:55 +00:00 • committed by Keavon Chambers
parent ef99c91226
commit 5b3c015f71
4 changed files with 18 additions and 23 deletions
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12
node-graph/gstd/src/any.rs
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@ -2,10 +2,6 @@ use dyn_any::{DynAny, StaticType, StaticTypeSized};
pub use graphene_core::{generic, ops /*, structural*/, Node, RefNode};
use std::marker::PhantomData;
fn fmt_error<I>() -> String {
format!("DynAnyNode: input is not of correct type, expected {}", std::any::type_name::<I>())
}
pub struct DynAnyNode<N, I: StaticType, O: StaticType, ORef: StaticType>(pub N, pub PhantomData<(I, O, ORef)>);
/*impl<'n, I: StaticType, N: RefNode<'n, &'n I, Output = O> + 'n, O: 'n + StaticType> Node<&'n dyn DynAny<'n>> for DynAnyNode<'n, N, I> {
type Output = Box<dyn dyn_any::DynAny<'n> + 'n>;
@ -35,7 +31,7 @@ where
{
type Output = Any<'n>;
fn eval(self, input: Any<'n>) -> Self::Output {
let input: Box<I> = dyn_any::downcast(input).unwrap_or_else(|| panic!("{}", fmt_error::<I>()));
let input: Box<I> = dyn_any::downcast(input).expect("DynAnyNode Input");
Box::new(self.0.eval(*input))
}
}
@ -45,7 +41,7 @@ where
{
type Output = Any<'n>;
fn eval(self, input: Any<'n>) -> Self::Output {
let input: Box<I> = dyn_any::downcast(input).unwrap_or_else(|| panic!("{}", fmt_error::<I>()));
let input: Box<I> = dyn_any::downcast(input).expect("DynAnyNode Input");
Box::new((&self.0).eval_ref(*input))
}
}
@ -132,7 +128,7 @@ where
type Output = O;
fn eval(self, input: Any<'n>) -> Self::Output {
let output = self.0.eval(input);
*dyn_any::downcast(output).unwrap_or_else(|| panic!("DowncastNode: {}", fmt_error::<O>()))
*dyn_any::downcast(output).expect("DowncastNode Output")
}
}
impl<'n, N, I: StaticType> DowncastNode<N, I>
@ -162,7 +158,7 @@ where
fn eval(self, input: I) -> Self::Output {
let input = Box::new(input) as Box<dyn DynAny>;
let output = self.0.eval(input);
*dyn_any::downcast(output).unwrap_or_else(|| panic!("DowncastBothNode Output: {}", fmt_error::<O>()))
*dyn_any::downcast(output).expect("DowncastBothNode Output")
}
}
impl<'n, N, I: StaticType, O: StaticType> DowncastBothNode<N, I, O>