Fuzion • Idioms • Idiom # 342 Leap year?

Idiom # 342 Leap year?

Code

The following example shows how to determine if the specific year is a leap year in Fuzion.

is_leap_year(year i32) =>
  (year % 4 = 0 & year % 100 != 0) |
    (year % 100 = 0) & (year % 400 = 0)

is_leap_year time.now.get.year

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is_leap_year(year i32) =>
  (year % 4 = 0 & year % 100 != 0) |
    (year % 100 = 0) & (year % 400 = 0)
is_leap_year time.now.get.year
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

Running code

ex342 is

  # Function that tests if it's a leap year or not
  is_leap_year(year i32) =>
    (year % 4 = 0 & year % 100 != 0) |
      (year % 100 = 0) & (year % 400 = 0)

  # Custom date_time provider for testing purpose, so that the output is always the same
  # comment/remove for current year
  time.now.instate (time.now ()->(time.date_time 2025 1 1 0 0 0 0)) ()->

    # Search the current year
    yr := time.now.get.year

    say "Year: {yr}, leap year? {is_leap_year yr}"

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ex342 is
  # Function that tests if it's a leap year or not
  is_leap_year(year i32) =>
    (year % 4 = 0 & year % 100 != 0) |
      (year % 100 = 0) & (year % 400 = 0)
  # Custom date_time provider for testing purpose, so that the output is always the same
  # comment/remove for current year
  time.now.instate (time.now ()->(time.date_time 2025 1 1 0 0 0 0)) ()->
    # Search the current year
    yr := time.now.get.year
    say "Year: {yr}, leap year? {is_leap_year yr}"
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

last changed: 2025-05-13

next: NYI: Idiom # 343 Rename file