023 for pipeline

// Test: ~for inside a continuation pipeline
//
// This tests the pipeline case where ~for is used INSIDE a continuation:
//   | result |> for(0..3) | each i |> ... | done |> ...
//
// This is different from top-level ~for which is the flow's main invocation.

~import "$std/io"
~import "$std/control"

const std = @import("std");

// Simple event that returns a count
~event get_count {}
| result { n: u32 }

~proc get_count {
    return .{ .result = .{ .n = 3 } };
}

// Main flow: pipeline ~for
~get_count()
| result r |> for(0..r.n)
    | each |> std.io:println(text: "iteration")
    | done |> std.io:println(text: "done")