Fuzion • Idioms • Idiom # 256: Count backwards

Idiom # 256: Count backwards

Code

(5..0 : -1) ! say

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(5..0 : -1) ! say
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

Running Example

ex256 is

  # using pipe and partially applied call
  (5..0 : -1) ! say

  # using reverse, pipe and partially applied call
  (0..5).reverse ! say

  # using a loop
  for x in 5..0 : -1 do
    say x

  # using tail-recursion
  f(n i32) =>
    say n
    if n > 0
      f n-1
  f 5

  # using as_string on a Sequence
  say ((5..0 : -1).as_string "\n")

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ex256 is
  # using pipe and partially applied call
  (5..0 : -1) ! say
  # using reverse, pipe and partially applied call
  (0..5).reverse ! say
  # using a loop
  for x in 5..0 : -1 do
    say x
  # using tail-recursion
  f(n i32) =>
    say n
    if n > 0
      f n-1
  f 5
  # using as_string on a Sequence
  say ((5..0 : -1).as_string "\n")
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

last changed: 2025-05-13

next: Idiom # 257: Traverse list backwards