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Add Exec trait to simplify calling nodes without input data

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Dennis 2022-04-02 12:48:05 +02:00 • committed by Keavon Chambers
parent ab67953f96
commit f8d4e10f35
1 changed files with 11 additions and 1 deletions
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12
node-graph/src/main.rs
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@ -53,6 +53,16 @@ pub trait After: Sized {
}
impl<Second: Node> After for Second {}
pub trait Exec: Node
where
for<'a> &'a (): Borrow<<Self as Node>::Input<'a>>,
{
fn exec(&self) -> Self::Output<'_> {
self.eval(&())
}
}
impl<T: Node> Exec for T where for<'a> &'a (): Borrow<<T as Node>::Input<'a>> {}
pub trait DynamicInput {
fn set_kwarg_by_name(&mut self, name: &str, value: &dyn Any);
fn set_arg_by_index(&mut self, index: usize, value: &dyn Any);
@ -60,7 +70,7 @@ pub trait DynamicInput {
fn main() {
let int = IntNode::<32>;
let add: u32 = AddNode::<u32>::default().eval((int.eval(&()), int.eval(&())));
let add: u32 = AddNode::<u32>::default().eval((int.exec(), int.exec()));
let fnode = FnNode::new(|(a, b): &(i32, i32)| a - b);
//let sub = fnode.any(&("a", 2));
let cache = CacheNode::new(&fnode);