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edition = "2021" |
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|
|
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|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html |
||||||
|
|
||||||
|
[dependencies] |
||||||
|
async-trait = "0.1.73" |
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|
supertrait = "0.1.0" |
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|
tokio = { version = "1.31.0", features = ["rt", "macros", "fs", "io-util", "sync"] } |
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@ -0,0 +1,3 @@ |
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|
# TransformerTest |
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|
|
||||||
|
Trying a different approach to Actors: Transformers. |
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@ -0,0 +1,47 @@ |
|||||||
|
use std::path::PathBuf; |
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|
|
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|
use transformer::Generator; |
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|
// use transformer::Processor;
|
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|
use transformer::Source; |
||||||
|
// use transformer::Transformer;
|
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|
|
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|
mod transformer; |
||||||
|
|
||||||
|
struct Input {} |
||||||
|
#[async_trait::async_trait] |
||||||
|
impl Generator for Input { |
||||||
|
type Output = PathBuf; |
||||||
|
|
||||||
|
async fn next(&self) -> Option<PathBuf> {} |
||||||
|
} |
||||||
|
|
||||||
|
// struct PathBufToString {}
|
||||||
|
// impl Processor for PathBufToString {
|
||||||
|
// type Input = PathBuf;
|
||||||
|
// type Output = String;
|
||||||
|
|
||||||
|
// fn transform(&self, data: PathBuf) -> String {
|
||||||
|
// data.to_string_lossy().to_string()
|
||||||
|
// }
|
||||||
|
// }
|
||||||
|
|
||||||
|
// struct Printer {}
|
||||||
|
// impl Processor for Printer {
|
||||||
|
// type Input = String;
|
||||||
|
// type Output = (); // this is a sync
|
||||||
|
|
||||||
|
// fn transform(&self, data: String) -> () {
|
||||||
|
// println!("{:?}", data);
|
||||||
|
// }
|
||||||
|
// }
|
||||||
|
|
||||||
|
fn main() { |
||||||
|
let gen = Source::new(Input {}); |
||||||
|
// let pbts = Transformer::new(PathBufToString {});
|
||||||
|
// let printer = Transformer::new(Printer {});
|
||||||
|
|
||||||
|
// gen.chain(pbts);
|
||||||
|
// pbts.chain(printer);
|
||||||
|
|
||||||
|
// run(printer, pbts, gen);
|
||||||
|
} |
||||||
@ -0,0 +1,64 @@ |
|||||||
|
//! Transformers framework.
|
||||||
|
|
||||||
|
use tokio::task::JoinHandle; |
||||||
|
|
||||||
|
#[async_trait::async_trait] |
||||||
|
pub trait Generator { |
||||||
|
type Output; |
||||||
|
|
||||||
|
async fn next(&self) -> Option<Self::Output>; |
||||||
|
} |
||||||
|
|
||||||
|
pub trait Processor { |
||||||
|
type Input; |
||||||
|
type Output; |
||||||
|
|
||||||
|
fn transform(&self, data: Self::Input) -> Self::Output; |
||||||
|
} |
||||||
|
|
||||||
|
pub struct Transformer<P: Processor> { |
||||||
|
chain: Vec<Transformer<dyn Processor<Input = P::Output>>>, |
||||||
|
processor: P, |
||||||
|
} |
||||||
|
|
||||||
|
pub struct Source<G> where G: Generator { |
||||||
|
chain: Vec<Transformer<dyn Processor<Input = G::Output>>>, |
||||||
|
generator: G, |
||||||
|
} |
||||||
|
|
||||||
|
impl<G: Generator> Source<G> { |
||||||
|
pub fn new(gen: G) -> Self { |
||||||
|
Self { |
||||||
|
chain: vec![], |
||||||
|
generator: gen, |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
pub fn chain(&mut self, next: Transformer<G::Output> ) { |
||||||
|
self.chain.push(next); |
||||||
|
} |
||||||
|
|
||||||
|
// pub async fn spawn(&self) -> JoinHandle<()> {
|
||||||
|
// tokio::spawn(async {
|
||||||
|
// while let Some(data) = gen.next().await {
|
||||||
|
// for next in self.chain {
|
||||||
|
// next.send(data).await.unwrap();
|
||||||
|
// }
|
||||||
|
// }
|
||||||
|
// })
|
||||||
|
// }
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
// impl<P: Processor> Transformer<P> {
|
||||||
|
// pub fn new(proc: P) -> Self {
|
||||||
|
// Self {
|
||||||
|
// chain: vec![],
|
||||||
|
// processor: proc
|
||||||
|
// }
|
||||||
|
// }
|
||||||
|
|
||||||
|
// pub fn chain(&mut self, next: Transformer<P::Output>) {
|
||||||
|
// self.chain.push(next);
|
||||||
|
// }
|
||||||
|
// }
|
||||||
Loading…
Reference in new issue