WIP: switch to announcement, remove extract input mess

examples/01_basic.rs

@@ -30,7 +30,7 @@
 //! Result: 5
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 
 // Step 1: Define a source task (no dependencies)
 //

examples/02_fan_out.rs

@@ -55,7 +55,7 @@
 //!   Squared: 100
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 
 // Source task with a value field
 struct Source {

examples/03_fan_in.rs

@@ -61,7 +61,7 @@
 //!   Active: true
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 
 struct FetchName;
 

examples/04_parallel_computation.rs

@@ -52,7 +52,7 @@
 //! This proves dagx runs tasks on multiple CPU cores simultaneously.
 //! ```
 
-use dagx::{task, DagResult, DagRunner, Task};
+use dagx::{task, DagResult, DagRunner};
 use std::time::{Duration, Instant};
 use tokio::time::sleep;
 
@@ -144,22 +144,32 @@ async fn main() -> DagResult<()> {
     };
 
     // ============================================================================
-    // SEQUENTIAL EXECUTION: Run the same 4 tasks one after another
+    // SEQUENTIAL EXECUTION: Run tasks one at a time in separate DAG executions
     // ============================================================================
     println!("Running SEQUENTIAL computation (same work, one at a time)...");
     let (sequential_time, sequential_result) = {
         let start = Instant::now();
 
-        // Run tasks sequentially (not using DAG, just raw execution)
-        let task1 = ComputeSum::new(1, 251, WORK_DELAY);
-        let task2 = ComputeSum::new(251, 501, WORK_DELAY);
-        let task3 = ComputeSum::new(501, 751, WORK_DELAY);
-        let task4 = ComputeSum::new(751, 1001, WORK_DELAY);
+        // Run each task separately to force sequential execution
+        let dag1 = DagRunner::new();
+        let sum1_handle = dag1.add_task(ComputeSum::new(1, 251, WORK_DELAY));
+        dag1.run(|fut| { tokio::spawn(fut); }).await?;
+        let r1 = dag1.get(sum1_handle)?;
 
-        let r1 = task1.run(()).await;
-        let r2 = task2.run(()).await;
-        let r3 = task3.run(()).await;
-        let r4 = task4.run(()).await;
+        let dag2 = DagRunner::new();
+        let sum2_handle = dag2.add_task(ComputeSum::new(251, 501, WORK_DELAY));
+        dag2.run(|fut| { tokio::spawn(fut); }).await?;
+        let r2 = dag2.get(sum2_handle)?;
+
+        let dag3 = DagRunner::new();
+        let sum3_handle = dag3.add_task(ComputeSum::new(501, 751, WORK_DELAY));
+        dag3.run(|fut| { tokio::spawn(fut); }).await?;
+        let r3 = dag3.get(sum3_handle)?;
+
+        let dag4 = DagRunner::new();
+        let sum4_handle = dag4.add_task(ComputeSum::new(751, 1001, WORK_DELAY));
+        dag4.run(|fut| { tokio::spawn(fut); }).await?;
+        let r4 = dag4.get(sum4_handle)?;
 
         let result = r1 + r2 + r3 + r4;
         let elapsed = start.elapsed();

examples/circuit_breaker.rs

@@ -150,7 +150,7 @@
 //! Result 7: Ok("Success")
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use std::sync::Arc;
 use std::time::Instant;
 use tokio::sync::Mutex;

examples/complex_dag.rs

@@ -66,7 +66,7 @@
 //!   Combined: 6 items, sum=57, avg=9.50
 //! ```
 
-use dagx::{task, DagResult, DagRunner, Task};
+use dagx::{task, DagResult, DagRunner};
 
 // Extract: Load data from different sources
 struct LoadData {

examples/conditional_workflow.rs

@@ -55,7 +55,7 @@
 //! Expected: Categories: [low, invalid, high]
 //! ```
 
-use dagx::{task, DagResult, DagRunner, Task};
+use dagx::{task, DagResult, DagRunner};
 
 // Task that validates and processes input
 struct ValidateAndDouble {

examples/data_pipeline.rs

@@ -75,7 +75,7 @@
 //! ============================
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 
 // Data source tasks
 struct LoadValue1;

examples/debug_tracing.rs

@@ -114,7 +114,7 @@
 //!   FulfillOrder: 30ms
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use std::time::Instant;
 use tokio::time::{sleep, Duration};
 

examples/error_handling.rs

@@ -114,7 +114,7 @@
 //! === Error Handling Example Complete ===
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 
 // Source task that provides a string input
 struct StringSource(&'static str);

examples/large_dag.rs

@@ -109,7 +109,7 @@
 //!   - Memory overhead is minimal (~ 200 bytes per task)
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use std::time::Instant;
 
 // Simple computation task

examples/parallelism_proof.rs

@@ -47,7 +47,7 @@
 //!        This proves TRUE PARALLEL EXECUTION!
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use std::time::{Duration, Instant};
 use tokio::time::sleep;
 

examples/retry_strategies.rs

@@ -152,7 +152,7 @@
 //! Result: Err("Retry exhausted after 3 attempts: Connection timeout")
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use tokio::time::{sleep, Duration};
 
 // Retry strategy configuration

examples/timeout.rs

@@ -98,7 +98,7 @@
 //! === Timeout Example Complete ===
 //! ```
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use tokio::time::{sleep, timeout, Duration};
 
 // Fast task that completes quickly

examples/tracing_example.rs

@@ -33,7 +33,7 @@
 //! - **ERROR**: Errors, panics, cycle detection
 //!
 
-use dagx::{task, DagRunner, Task};
+use dagx::{task, DagRunner};
 use tracing_subscriber::{fmt, EnvFilter};
 
 // Simple source task