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:

# Ruby program for first()
# method in Range

# Initialize range
range1 = (0..10)

# Prints the first element
puts range1.first()

Output:

0

Example 2:

# Ruby program for first()
# method in Range

# Initialize range
range1 = (0..10)

# Prints the first element
puts range1.first(3)

Output:

0
1
2