///|
/// Demo for colorspiral module: HSV color spiral for chart series.
fn main {
  println("=== colorspiral Demo: HSV Color Spiral ===")
  println("")

  // Example 1: Default color spiral
  println("--- Step 1: Default Color Spiral ---")
  let sp = @src.spiral_new()
  let cs = @src.spiral_colors(sp, 8)
  println("8 colors from default spiral:")
  for i in 0.. " + @src.spiral_hex(c))
  }
  println("")

  println("=== colorspiral Demo Complete ===")
}