Ruby | Operación de array rassoc()

Array#rassoc() : rassoc() es un método de clase Array que busca un elemento a través de la array.
 

Syntax:  Array.rassoc()

Parameter: 
- Arrays for finding elements. 
- elements to detect

Return:  Array after adding the elements at the end.

Código #1: Ejemplo para el método rassoc()

# Ruby code for rassoc() method
  
# declaring array
a = [18, 22, 33, 4, 5, 6]
  
# declaring array
b = [5, 4, 22, 1, 88, 9]
  
# declaring array
c = [18, 22, 33, 40, 50, 16]
 
ar = [a, b, c]
 
# searching for an element
puts "check : #{ar.rassoc(4)}\n\n"
 
puts "check : #{ar.rassoc(22)}\n\n"

Producción : 

check : [5, 4, 22, 1, 88, 9]

check : [18, 22, 33, 4, 5, 6]

Código #2: Ejemplo para el método rassoc() 

# Ruby code for rassoc() method
  
# declaring array
a = ["abc", "xyz", "dog"]
  
# declaring array
b = ["cow", "cat", "dog"]
  
# declaring array
c = ["cat", "1", "dog"]
 
ar = [a, b, c]
 
 
# searching for an element
puts "check : #{ar.rassoc("xyz")}\n\n"
 
puts "check : #{ar.rassoc("1")}\n\n"

Producción : 

check : ["abc", "xyz", "dog"]

check : ["cat", "1", "dog"]