Ruby | Struct each() function

Ruby | Struct filter() function

Last Updated : 18 Dec, 2019

The filter() is an inbuilt method in Ruby that returns an array which contains the member value from struct which returns a true value for the given block.

Syntax: filter {|obj| block }

Parameters: The function accepts a single parameter block which specifies the condition.

Return Value: It returns member value from struct to block and an array is returned.

Example 1:

# Ruby program for filter method in struct  
    
# Initialize struct  
Num = Struct.new(:a, :b, :c, :d) 
  
# Initialize numbers  
l = Num.new(12, 22, 13, 44) 
  
# Filter used  
l.select {|v| v.even? }   

Output:

[12, 22, 44]

Example 2:

# Ruby program for filter method in struct  
    
# Initialize struct  
Num = Struct.new(:a, :b, :c, :d) 
  
# Initialize numbers  
l = Num.new(12, 22, 13, 44) 
  
# Filter used  
l.select {|v| v.odd? }  

Output:

[13]

Ruby | Struct each() function

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