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 u32

~proc get-count|zig {
    return .{ .result = 3 };
}

// Main flow: pipeline ~for
~get-count()
| result r |> for(0..r)
    ! each _ |> std/io:print.ln("iteration")
    | done |> std/io:print.ln("done")