Working base

example/src/main.rs

@@ -1,4 +1,61 @@
+use std::{fmt::Display, fs::File, io::Write};
+
+use oxydsp_dsp::blocks::{math::basic::Adder, utilities::iter::IterSource};
+use oxydsp_flowgraph::{
+    BlockIO,
+    block::{Block, BlockResult},
+    edge::{In, PopIterable},
+    flowgraph,
+    graph::FlowGraph,
+};
+
+#[derive(BlockIO)]
+pub struct Printer<T: 'static>
+{
+    #[input]
+    input: In<T>,
+
+    n: usize,
+}
+
+impl<T: 'static> Printer<T>
+{
+    pub fn new(input: In<T>) -> Self
+    {
+        Self { input, n: 0 }
+    }
+}
+
+impl<T: 'static> Block for Printer<T>
+where
+    T: Display,
+{
+    fn work(&mut self) -> oxydsp_flowgraph::block::BlockResult
+    {
+        for x in self.input.pop_iter()
+        {
+            if self.n.is_multiple_of(2usize.pow(20))
+            {
+                println!("{}", x);
+                self.n = 0;
+            }
+            self.n += 1;
+        }
+        BlockResult::Ok
+    }
+}
+
 fn main()
 {
-    println!("Hello, world!");
+    let (iter_a, a) = IterSource::new(0usize..);
+    let (iter_b, b) = IterSource::new(0usize..);
+    let (adder, added) = Adder::new(a, b);
+    let printer = Printer::new(added);
+
+    let graph = flowgraph![iter_a, iter_b, adder, printer];
+    File::create("out.dot")
+        .unwrap()
+        .write_all(graph.get_dot().as_bytes())
+        .unwrap();
+    graph.run();
 }