Ruby | Date downto() function

Date#downto() is a Date class method which is equivalent to step(min, -1){|date| …} and returns the enumerator.

Syntax: Date.downto()

Parameter: Date values



Return: equivalent to step(min, -1){|date| …} and returns the enumerator.

Example #1 :

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# Ruby code for Date.downto() method
  
# loading date
require 'date'
  
# declaring Date 
a = Date.new(2019, 1, 1)
  
# declaring Date
b = Date.jd(2452004)
  
# declaring Date
c = Date.ordinal(2019, 12)
  
# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
  
  
# downto form 
puts "Date a downto form : #{a.downto(23)}\n\n"
puts "Date b downto form : #{b.downto(21)}\n\n"
puts "Date c downto form : #{c.downto(5)}\n\n"

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Output :

Date a : 2019-01-01

Date b : 2001-04-04

Date c : 2019-01-12



Date a downto form : #

Date b downto form : #

Date c downto form : #

Example #2 :

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# Ruby code for Date.downto() method
  
# loading date
require 'date'
  
# declaring Date 
a = Date.parse('2019-01-01')
  
# declaring Date
b = Date.strptime('03-12-2019', '%d-%m-%Y')
  
# declaring Date
c = Date.commercial(2019, 5, 6)
  
# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"
  
  
# downto form 
puts "Date a downto form : #{a.downto(23)}\n\n"
puts "Date b downto form : #{b.downto(21)}\n\n"
puts "Date c downto form : #{c.downto(5)}\n\n"

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Output :

Date a : 2019-01-01

Date b : 2019-12-03

Date c : 2019-02-02



Date a downto form : #

Date b downto form : #

Date c downto form : #



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