Fuzion • Idioms • Idiom # 78: do while loop

Idiom # 78: do while loop

Code

do
  some_thing
until !c

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do
  some_thing
until !c
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

Running Example

ex78 is

  # let's print the 3x+1 sequence starting at 27
  # (see https://mathworld.wolfram.com/CollatzProblem.html):
  #
  start := 27
  _ := for
         n in 1..
         x := start, if x %% 2 then x/2 else 3*x+1
         mx := x, max mx x
       do
         say "$n: $x {if x=mx then "new max" else ""}"
       until x <= 1
         say "total $n steps, maximum reached was $mx"

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ex78 is
  # let's print the 3x+1 sequence starting at 27
  # (see https://mathworld.wolfram.com/CollatzProblem.html):
  #
  start := 27
  _ := for
         n in 1..
         x := start, if x %% 2 then x/2 else 3*x+1
         mx := x, max mx x
       do
         say "$n: $x {if x=mx then "new max" else ""}"
       until x <= 1
         say "total $n steps, maximum reached was $mx"
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

last changed: 2024-07-01

next: Idiom # 79: Convert integer to floating point number