Ruby | Range first() function

The first() is an inbuilt method in Ruby returns an array of first X elements. If X is not mentioned, it returns the first element only.

Syntax: range1.first(X)

Parameters: The function accepts X which is the number of elements from the beginning.

Return Value: It returns an array of first X elements.

Example 1:



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# Ruby program for first() 
# method in Range 
  
# Initialize range 
range1 = (0..10)
  
# Prints the first element 
puts range1.first()

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Output:

0

Example 2:

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# Ruby program for first() 
# method in Range 
  
# Initialize range 
range1 = (0..10)
  
# Prints the first element 
puts range1.first(3)

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Output:

0
1
2
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