80 lines
1.6 KiB
Rust
80 lines
1.6 KiB
Rust
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#![feature(trait_alias)]
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#![feature(assoc_char_funcs)]
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pub mod view;
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pub mod port;
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pub mod channel;
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pub mod singleton_buffer;
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pub mod vec_buffer;
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use {
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async_std::{
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prelude::*, task, stream
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},
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std::{
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sync::{Arc, RwLock}
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},
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cgmath::{Vector2},
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crate::{
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view::{View, Observer},
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port::{InnerViewPort, OuterViewPort},
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singleton_buffer::SingletonBuffer,
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vec_buffer::VecBuffer
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}
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};
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#[async_std::main]
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async fn main() {
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let digits = port::ViewPort::new();
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let mut buf = VecBuffer::new(digits.inner());
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let digit_view = digits.outer()
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// digit encoding
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.map_value(
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|digit|
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if let Some(digit) = digit {
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char::from_digit(digit, 16)
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} else {
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None
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}
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)
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// simple horizontal layout
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.map_key(
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|idx| Vector2::<i16>::new(idx as i16, 0),
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|pos| pos.x as usize
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);
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let view = digit_view.get_view();
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let mut stream = digit_view.stream().map({
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move |idx| (idx, view.view(idx))
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});
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let fut = task::spawn({
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async move {
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while let Some((idx, val)) = stream.next().await {
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println!("v[{:?}] = {:?}", idx, val);
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}
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println!("end print task");
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}
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});
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buf.push(0);
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buf.push(1);
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task::sleep(std::time::Duration::from_secs(1)).await;
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buf.push(2);
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buf.push(3);
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task::sleep(std::time::Duration::from_secs(1)).await;
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buf.push(4);
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drop(buf);
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drop(digits);
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drop(digit_view);
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fut.await;
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}
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